18739715540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{181}}^1\times {\mathrm{349}}^1$

素因数の和:722

約数の個数: 192

約数和(自身を含む): 49141747200

約数和(自身を除く): 30402031660

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 163, 181, 182, 260, 326, 349, 362, 364, 455, 652, 698, 724, 815, 905, 910, 1141, 1267, 1396, 1630, 1745, 1810, 1820, 2119, 2282, 2353, 2443, 2534, 3260, 3490, 3620, 4238, 4537, 4564, 4706, 4886, 5068, 5705, 6335, 6980, 8476, 9074, 9412, 9772, 10595, 11410, 11765, 12215, 12670, 14833, 16471, 18148, 21190, 22685, 22820, 23530, 24430, 25340, 29503, 29666, 31759, 32942, 42380, 45370, 47060, 48860, 56887, 59006, 59332, 63169, 63518, 65884, 74165, 82355, 90740, 113774, 118012, 126338, 127036, 147515, 148330, 158795, 164710, 206521, 227548, 252676, 284435, 295030, 296660, 315845, 317590, 329420, 383539, 398209, 413042, 442183, 568870, 590060, 631690, 635180, 739531, 767078, 796418, 821197, 826084, 884366, 1032605, 1137740, 1263380, 1479062, 1534156, 1592836, 1642394, 1768732, 1917695, 1991045, 2065210, 2210915, 2684773, 2958124, 3284788, 3697655, 3835390, 3982090, 4105985, 4130420, 4421830, 5176717, 5369546, 5748379, 7395310, 7670780, 7964180, 8211970, 8843660, 10296547, 10353434, 10739092, 11496758, 13423865, 14790620, 16423940, 20593094, 20706868, 22993516, 25883585, 26847730, 28741895, 41186188, 51482735, 51767170, 53695460, 57483790, 72075829, 102965470, 103534340, 114967580, 133855111, 144151658, 205930940, 267710222, 288303316, 360379145, 535420444, 669275555, 720758290, 936985777, 1338551110, 1441516580, 1873971554, 2677102220, 3747943108, 4684928885, 9369857770, 18739715540]

約数ペア:

[(1, 18739715540), (2, 9369857770), (4, 4684928885), (5, 3747943108), (7, 2677102220), (10, 1873971554), (13, 1441516580), (14, 1338551110), (20, 936985777), (26, 720758290), (28, 669275555), (35, 535420444), (52, 360379145), (65, 288303316), (70, 267710222), (91, 205930940), (130, 144151658), (140, 133855111), (163, 114967580), (181, 103534340), (182, 102965470), (260, 72075829), (326, 57483790), (349, 53695460), (362, 51767170), (364, 51482735), (455, 41186188), (652, 28741895), (698, 26847730), (724, 25883585), (815, 22993516), (905, 20706868), (910, 20593094), (1141, 16423940), (1267, 14790620), (1396, 13423865), (1630, 11496758), (1745, 10739092), (1810, 10353434), (1820, 10296547), (2119, 8843660), (2282, 8211970), (2353, 7964180), (2443, 7670780), (2534, 7395310), (3260, 5748379), (3490, 5369546), (3620, 5176717), (4238, 4421830), (4537, 4130420), (4564, 4105985), (4706, 3982090), (4886, 3835390), (5068, 3697655), (5705, 3284788), (6335, 2958124), (6980, 2684773), (8476, 2210915), (9074, 2065210), (9412, 1991045), (9772, 1917695), (10595, 1768732), (11410, 1642394), (11765, 1592836), (12215, 1534156), (12670, 1479062), (14833, 1263380), (16471, 1137740), (18148, 1032605), (21190, 884366), (22685, 826084), (22820, 821197), (23530, 796418), (24430, 767078), (25340, 739531), (29503, 635180), (29666, 631690), (31759, 590060), (32942, 568870), (42380, 442183), (45370, 413042), (47060, 398209), (48860, 383539), (56887, 329420), (59006, 317590), (59332, 315845), (63169, 296660), (63518, 295030), (65884, 284435), (74165, 252676), (82355, 227548), (90740, 206521), (113774, 164710), (118012, 158795), (126338, 148330), (127036, 147515)]