18679792

素因数分解:

$2^4\times {\mathrm{997}}^1\times {\mathrm{1171}}^1$

素因数の和:2176

約数の個数: 20

約数和(自身を含む): 36259336

約数和(自身を除く): 17579544

約数列:

[1, 2, 4, 8, 16, 997, 1171, 1994, 2342, 3988, 4684, 7976, 9368, 15952, 18736, 1167487, 2334974, 4669948, 9339896, 18679792]

約数ペア:

[(1, 18679792), (2, 9339896), (4, 4669948), (8, 2334974), (16, 1167487), (997, 18736), (1171, 15952), (1994, 9368), (2342, 7976), (3988, 4684)]