18157874

素因数分解:

$2^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{109}}^1\times {\mathrm{163}}^1$

素因数の和:354

約数の個数: 32

約数和(自身を含む): 32039040

約数和(自身を除く): 13881166

約数列:

[1, 2, 7, 14, 73, 109, 146, 163, 218, 326, 511, 763, 1022, 1141, 1526, 2282, 7957, 11899, 15914, 17767, 23798, 35534, 55699, 83293, 111398, 124369, 166586, 248738, 1296991, 2593982, 9078937, 18157874]

約数ペア:

[(1, 18157874), (2, 9078937), (7, 2593982), (14, 1296991), (73, 248738), (109, 166586), (146, 124369), (163, 111398), (218, 83293), (326, 55699), (511, 35534), (763, 23798), (1022, 17767), (1141, 15914), (1526, 11899), (2282, 7957)]