18471040

素因数分解:

$2^7\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1$

素因数の和:83

約数の個数: 192

約数和(自身を含む): 55814400

約数和(自身を除く): 37343360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 31, 32, 35, 38, 40, 49, 56, 62, 64, 70, 76, 80, 95, 98, 112, 124, 128, 133, 140, 152, 155, 160, 190, 196, 217, 224, 245, 248, 266, 280, 304, 310, 320, 380, 392, 434, 448, 490, 496, 532, 560, 589, 608, 620, 640, 665, 760, 784, 868, 896, 931, 980, 992, 1064, 1085, 1120, 1178, 1216, 1240, 1330, 1519, 1520, 1568, 1736, 1862, 1960, 1984, 2128, 2170, 2240, 2356, 2432, 2480, 2660, 2945, 3038, 3040, 3136, 3472, 3724, 3920, 3968, 4123, 4256, 4340, 4480, 4655, 4712, 4960, 5320, 5890, 6076, 6080, 6272, 6944, 7448, 7595, 7840, 8246, 8512, 8680, 9310, 9424, 9920, 10640, 11780, 12152, 12160, 13888, 14896, 15190, 15680, 16492, 17024, 17360, 18620, 18848, 19840, 20615, 21280, 23560, 24304, 27776, 28861, 29792, 30380, 31360, 32984, 34720, 37240, 37696, 41230, 42560, 47120, 48608, 57722, 59584, 60760, 65968, 69440, 74480, 75392, 82460, 85120, 94240, 97216, 115444, 119168, 121520, 131936, 138880, 144305, 148960, 164920, 188480, 194432, 230888, 243040, 263872, 288610, 297920, 329840, 376960, 461776, 486080, 527744, 577220, 595840, 659680, 923552, 972160, 1154440, 1319360, 1847104, 2308880, 2638720, 3694208, 4617760, 9235520, 18471040]

約数ペア:

[(1, 18471040), (2, 9235520), (4, 4617760), (5, 3694208), (7, 2638720), (8, 2308880), (10, 1847104), (14, 1319360), (16, 1154440), (19, 972160), (20, 923552), (28, 659680), (31, 595840), (32, 577220), (35, 527744), (38, 486080), (40, 461776), (49, 376960), (56, 329840), (62, 297920), (64, 288610), (70, 263872), (76, 243040), (80, 230888), (95, 194432), (98, 188480), (112, 164920), (124, 148960), (128, 144305), (133, 138880), (140, 131936), (152, 121520), (155, 119168), (160, 115444), (190, 97216), (196, 94240), (217, 85120), (224, 82460), (245, 75392), (248, 74480), (266, 69440), (280, 65968), (304, 60760), (310, 59584), (320, 57722), (380, 48608), (392, 47120), (434, 42560), (448, 41230), (490, 37696), (496, 37240), (532, 34720), (560, 32984), (589, 31360), (608, 30380), (620, 29792), (640, 28861), (665, 27776), (760, 24304), (784, 23560), (868, 21280), (896, 20615), (931, 19840), (980, 18848), (992, 18620), (1064, 17360), (1085, 17024), (1120, 16492), (1178, 15680), (1216, 15190), (1240, 14896), (1330, 13888), (1519, 12160), (1520, 12152), (1568, 11780), (1736, 10640), (1862, 9920), (1960, 9424), (1984, 9310), (2128, 8680), (2170, 8512), (2240, 8246), (2356, 7840), (2432, 7595), (2480, 7448), (2660, 6944), (2945, 6272), (3038, 6080), (3040, 6076), (3136, 5890), (3472, 5320), (3724, 4960), (3920, 4712), (3968, 4655), (4123, 4480), (4256, 4340)]