18988578

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{21529}}^1$

素因数の和:21551

約数の個数: 36

約数和(自身を含む): 47861190

約数和(自身を除く): 28872612

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 63, 98, 126, 147, 294, 441, 882, 21529, 43058, 64587, 129174, 150703, 193761, 301406, 387522, 452109, 904218, 1054921, 1356327, 2109842, 2712654, 3164763, 6329526, 9494289, 18988578]

約数ペア:

[(1, 18988578), (2, 9494289), (3, 6329526), (6, 3164763), (7, 2712654), (9, 2109842), (14, 1356327), (18, 1054921), (21, 904218), (42, 452109), (49, 387522), (63, 301406), (98, 193761), (126, 150703), (147, 129174), (294, 64587), (441, 43058), (882, 21529)]