18403769860

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{113}}^1\times {\mathrm{166189}}^1$

素因数の和:166325

約数の個数: 72

約数和(自身を含む): 45355910040

約数和(自身を除く): 26952140180

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 113, 140, 196, 226, 245, 452, 490, 565, 791, 980, 1130, 1582, 2260, 3164, 3955, 5537, 7910, 11074, 15820, 22148, 27685, 55370, 110740, 166189, 332378, 664756, 830945, 1163323, 1661890, 2326646, 3323780, 4653292, 5816615, 8143261, 11633230, 16286522, 18779357, 23266460, 32573044, 37558714, 40716305, 75117428, 81432610, 93896785, 131455499, 162865220, 187793570, 262910998, 375587140, 525821996, 657277495, 920188493, 1314554990, 1840376986, 2629109980, 3680753972, 4600942465, 9201884930, 18403769860]

約数ペア:

[(1, 18403769860), (2, 9201884930), (4, 4600942465), (5, 3680753972), (7, 2629109980), (10, 1840376986), (14, 1314554990), (20, 920188493), (28, 657277495), (35, 525821996), (49, 375587140), (70, 262910998), (98, 187793570), (113, 162865220), (140, 131455499), (196, 93896785), (226, 81432610), (245, 75117428), (452, 40716305), (490, 37558714), (565, 32573044), (791, 23266460), (980, 18779357), (1130, 16286522), (1582, 11633230), (2260, 8143261), (3164, 5816615), (3955, 4653292), (5537, 3323780), (7910, 2326646), (11074, 1661890), (15820, 1163323), (22148, 830945), (27685, 664756), (55370, 332378), (110740, 166189)]