19815502

素因数分解:

$2^1\times 7^2\times {\mathrm{241}}^1\times {\mathrm{839}}^1$

素因数の和:1096

約数の個数: 24

約数和(自身を含む): 34760880

約数和(自身を除く): 14945378

約数列:

[1, 2, 7, 14, 49, 98, 241, 482, 839, 1678, 1687, 3374, 5873, 11746, 11809, 23618, 41111, 82222, 202199, 404398, 1415393, 2830786, 9907751, 19815502]

約数ペア:

[(1, 19815502), (2, 9907751), (7, 2830786), (14, 1415393), (49, 404398), (98, 202199), (241, 82222), (482, 41111), (839, 23618), (1678, 11809), (1687, 11746), (3374, 5873)]