19425560

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1$

素因数の和:106

約数の個数: 192

約数和(自身を含む): 59836320

約数和(自身を除く): 40410760

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 17, 20, 22, 28, 34, 35, 40, 44, 49, 53, 55, 56, 68, 70, 77, 85, 88, 98, 106, 110, 119, 136, 140, 154, 170, 187, 196, 212, 220, 238, 245, 265, 280, 308, 340, 371, 374, 385, 392, 424, 440, 476, 490, 530, 539, 583, 595, 616, 680, 742, 748, 770, 833, 901, 935, 952, 980, 1060, 1078, 1166, 1190, 1309, 1484, 1496, 1540, 1666, 1802, 1855, 1870, 1960, 2120, 2156, 2332, 2380, 2597, 2618, 2695, 2915, 2968, 3080, 3332, 3604, 3710, 3740, 4081, 4165, 4312, 4505, 4664, 4760, 5194, 5236, 5390, 5830, 6307, 6545, 6664, 7208, 7420, 7480, 8162, 8330, 9010, 9163, 9911, 10388, 10472, 10780, 11660, 12614, 12985, 13090, 14840, 16324, 16660, 18020, 18326, 19822, 20405, 20776, 21560, 23320, 25228, 25970, 26180, 28567, 31535, 32648, 33320, 36040, 36652, 39644, 40810, 44149, 45815, 49555, 50456, 51940, 52360, 57134, 63070, 69377, 73304, 79288, 81620, 88298, 91630, 99110, 103880, 114268, 126140, 138754, 142835, 163240, 176596, 183260, 198220, 220745, 228536, 252280, 277508, 285670, 346885, 353192, 366520, 396440, 441490, 485639, 555016, 571340, 693770, 882980, 971278, 1142680, 1387540, 1765960, 1942556, 2428195, 2775080, 3885112, 4856390, 9712780, 19425560]

約数ペア:

[(1, 19425560), (2, 9712780), (4, 4856390), (5, 3885112), (7, 2775080), (8, 2428195), (10, 1942556), (11, 1765960), (14, 1387540), (17, 1142680), (20, 971278), (22, 882980), (28, 693770), (34, 571340), (35, 555016), (40, 485639), (44, 441490), (49, 396440), (53, 366520), (55, 353192), (56, 346885), (68, 285670), (70, 277508), (77, 252280), (85, 228536), (88, 220745), (98, 198220), (106, 183260), (110, 176596), (119, 163240), (136, 142835), (140, 138754), (154, 126140), (170, 114268), (187, 103880), (196, 99110), (212, 91630), (220, 88298), (238, 81620), (245, 79288), (265, 73304), (280, 69377), (308, 63070), (340, 57134), (371, 52360), (374, 51940), (385, 50456), (392, 49555), (424, 45815), (440, 44149), (476, 40810), (490, 39644), (530, 36652), (539, 36040), (583, 33320), (595, 32648), (616, 31535), (680, 28567), (742, 26180), (748, 25970), (770, 25228), (833, 23320), (901, 21560), (935, 20776), (952, 20405), (980, 19822), (1060, 18326), (1078, 18020), (1166, 16660), (1190, 16324), (1309, 14840), (1484, 13090), (1496, 12985), (1540, 12614), (1666, 11660), (1802, 10780), (1855, 10472), (1870, 10388), (1960, 9911), (2120, 9163), (2156, 9010), (2332, 8330), (2380, 8162), (2597, 7480), (2618, 7420), (2695, 7208), (2915, 6664), (2968, 6545), (3080, 6307), (3332, 5830), (3604, 5390), (3710, 5236), (3740, 5194), (4081, 4760), (4165, 4664), (4312, 4505)]