18374516

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1$

素因数の和:224

約数の個数: 48

約数和(自身を含む): 35562240

約数和(自身を除く): 17187724

約数列:

[1, 2, 4, 23, 29, 46, 58, 71, 92, 97, 116, 142, 194, 284, 388, 667, 1334, 1633, 2059, 2231, 2668, 2813, 3266, 4118, 4462, 5626, 6532, 6887, 8236, 8924, 11252, 13774, 27548, 47357, 64699, 94714, 129398, 158401, 189428, 199723, 258796, 316802, 399446, 633604, 798892, 4593629, 9187258, 18374516]

約数ペア:

[(1, 18374516), (2, 9187258), (4, 4593629), (23, 798892), (29, 633604), (46, 399446), (58, 316802), (71, 258796), (92, 199723), (97, 189428), (116, 158401), (142, 129398), (194, 94714), (284, 64699), (388, 47357), (667, 27548), (1334, 13774), (1633, 11252), (2059, 8924), (2231, 8236), (2668, 6887), (2813, 6532), (3266, 5626), (4118, 4462)]