18486752

素因数分解:

$2^5\times {\mathrm{17}}^2\times {\mathrm{1999}}^1$

素因数の和:2043

約数の個数: 36

約数和(自身を含む): 38682000

約数和(自身を除く): 20195248

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 136, 272, 289, 544, 578, 1156, 1999, 2312, 3998, 4624, 7996, 9248, 15992, 31984, 33983, 63968, 67966, 135932, 271864, 543728, 577711, 1087456, 1155422, 2310844, 4621688, 9243376, 18486752]

約数ペア:

[(1, 18486752), (2, 9243376), (4, 4621688), (8, 2310844), (16, 1155422), (17, 1087456), (32, 577711), (34, 543728), (68, 271864), (136, 135932), (272, 67966), (289, 63968), (544, 33983), (578, 31984), (1156, 15992), (1999, 9248), (2312, 7996), (3998, 4624)]