19789360

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{14551}}^1$

素因数の和:14581

約数の個数: 40

約数和(自身を含む): 48720096

約数和(自身を除く): 28930736

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 14551, 29102, 58204, 72755, 116408, 145510, 232816, 247367, 291020, 494734, 582040, 989468, 1164080, 1236835, 1978936, 2473670, 3957872, 4947340, 9894680, 19789360]

約数ペア:

[(1, 19789360), (2, 9894680), (4, 4947340), (5, 3957872), (8, 2473670), (10, 1978936), (16, 1236835), (17, 1164080), (20, 989468), (34, 582040), (40, 494734), (68, 291020), (80, 247367), (85, 232816), (136, 145510), (170, 116408), (272, 72755), (340, 58204), (680, 29102), (1360, 14551)]