19879816

素因数分解:

$2^3\times {\mathrm{11}}^3\times {\mathrm{1867}}^1$

素因数の和:1906

約数の個数: 32

約数和(自身を含む): 41021280

約数和(自身を除く): 21141464

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 121, 242, 484, 968, 1331, 1867, 2662, 3734, 5324, 7468, 10648, 14936, 20537, 41074, 82148, 164296, 225907, 451814, 903628, 1807256, 2484977, 4969954, 9939908, 19879816]

約数ペア:

[(1, 19879816), (2, 9939908), (4, 4969954), (8, 2484977), (11, 1807256), (22, 903628), (44, 451814), (88, 225907), (121, 164296), (242, 82148), (484, 41074), (968, 20537), (1331, 14936), (1867, 10648), (2662, 7468), (3734, 5324)]