18007856

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{283}}^1$

素因数の和:429

約数の個数: 40

約数和(自身を含む): 36237264

約数和(自身を除く): 18229408

約数列:

[1, 2, 4, 8, 16, 41, 82, 97, 164, 194, 283, 328, 388, 566, 656, 776, 1132, 1552, 2264, 3977, 4528, 7954, 11603, 15908, 23206, 27451, 31816, 46412, 54902, 63632, 92824, 109804, 185648, 219608, 439216, 1125491, 2250982, 4501964, 9003928, 18007856]

約数ペア:

[(1, 18007856), (2, 9003928), (4, 4501964), (8, 2250982), (16, 1125491), (41, 439216), (82, 219608), (97, 185648), (164, 109804), (194, 92824), (283, 63632), (328, 54902), (388, 46412), (566, 31816), (656, 27451), (776, 23206), (1132, 15908), (1552, 11603), (2264, 7954), (3977, 4528)]