18683536

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{1499}}^1$

素因数の和:1567

約数の個数: 40

約数和(自身を含む): 39060000

約数和(自身を除く): 20376464

約数列:

[1, 2, 4, 8, 16, 19, 38, 41, 76, 82, 152, 164, 304, 328, 656, 779, 1499, 1558, 2998, 3116, 5996, 6232, 11992, 12464, 23984, 28481, 56962, 61459, 113924, 122918, 227848, 245836, 455696, 491672, 983344, 1167721, 2335442, 4670884, 9341768, 18683536]

約数ペア:

[(1, 18683536), (2, 9341768), (4, 4670884), (8, 2335442), (16, 1167721), (19, 983344), (38, 491672), (41, 455696), (76, 245836), (82, 227848), (152, 122918), (164, 113924), (304, 61459), (328, 56962), (656, 28481), (779, 23984), (1499, 12464), (1558, 11992), (2998, 6232), (3116, 5996)]