15977974

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{61}}^2\times {\mathrm{113}}^1$

素因数の和:256

約数の個数: 24

約数和(自身を含む): 25875720

約数和(自身を除く): 9897746

約数列:

[1, 2, 19, 38, 61, 113, 122, 226, 1159, 2147, 2318, 3721, 4294, 6893, 7442, 13786, 70699, 130967, 141398, 261934, 420473, 840946, 7988987, 15977974]

約数ペア:

[(1, 15977974), (2, 7988987), (19, 840946), (38, 420473), (61, 261934), (113, 141398), (122, 130967), (226, 70699), (1159, 13786), (2147, 7442), (2318, 6893), (3721, 4294)]