17969240

素因数分解:

$2^3\times 5^1\times {\mathrm{457}}^1\times {\mathrm{983}}^1$

素因数の和:1451

約数の個数: 32

約数和(自身を含む): 40560480

約数和(自身を除く): 22591240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 457, 914, 983, 1828, 1966, 2285, 3656, 3932, 4570, 4915, 7864, 9140, 9830, 18280, 19660, 39320, 449231, 898462, 1796924, 2246155, 3593848, 4492310, 8984620, 17969240]

約数ペア:

[(1, 17969240), (2, 8984620), (4, 4492310), (5, 3593848), (8, 2246155), (10, 1796924), (20, 898462), (40, 449231), (457, 39320), (914, 19660), (983, 18280), (1828, 9830), (1966, 9140), (2285, 7864), (3656, 4915), (3932, 4570)]