13980808

素因数分解:

$2^3\times {\mathrm{19}}^2\times {\mathrm{47}}^1\times {\mathrm{103}}^1$

素因数の和:194

約数の個数: 48

約数和(自身を含む): 28529280

約数和(自身を除く): 14548472

約数列:

[1, 2, 4, 8, 19, 38, 47, 76, 94, 103, 152, 188, 206, 361, 376, 412, 722, 824, 893, 1444, 1786, 1957, 2888, 3572, 3914, 4841, 7144, 7828, 9682, 15656, 16967, 19364, 33934, 37183, 38728, 67868, 74366, 91979, 135736, 148732, 183958, 297464, 367916, 735832, 1747601, 3495202, 6990404, 13980808]

約数ペア:

[(1, 13980808), (2, 6990404), (4, 3495202), (8, 1747601), (19, 735832), (38, 367916), (47, 297464), (76, 183958), (94, 148732), (103, 135736), (152, 91979), (188, 74366), (206, 67868), (361, 38728), (376, 37183), (412, 33934), (722, 19364), (824, 16967), (893, 15656), (1444, 9682), (1786, 7828), (1957, 7144), (2888, 4841), (3572, 3914)]