19957974

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{4987}}^1$

素因数の和:5044

約数の個数: 32

約数和(自身を含む): 43096320

約数和(自身を除く): 23138346

約数列:

[1, 2, 3, 6, 23, 29, 46, 58, 69, 87, 138, 174, 667, 1334, 2001, 4002, 4987, 9974, 14961, 29922, 114701, 144623, 229402, 289246, 344103, 433869, 688206, 867738, 3326329, 6652658, 9978987, 19957974]

約数ペア:

[(1, 19957974), (2, 9978987), (3, 6652658), (6, 3326329), (23, 867738), (29, 688206), (46, 433869), (58, 344103), (69, 289246), (87, 229402), (138, 144623), (174, 114701), (667, 29922), (1334, 14961), (2001, 9974), (4002, 4987)]