19611249

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{2137}}^1$

素因数の和:2189

約数の個数: 32

約数和(自身を含む): 32839680

約数和(自身を除く): 13228431

約数列:

[1, 3, 7, 19, 21, 23, 57, 69, 133, 161, 399, 437, 483, 1311, 2137, 3059, 6411, 9177, 14959, 40603, 44877, 49151, 121809, 147453, 284221, 344057, 852663, 933869, 1032171, 2801607, 6537083, 19611249]

約数ペア:

[(1, 19611249), (3, 6537083), (7, 2801607), (19, 1032171), (21, 933869), (23, 852663), (57, 344057), (69, 284221), (133, 147453), (161, 121809), (399, 49151), (437, 44877), (483, 40603), (1311, 14959), (2137, 9177), (3059, 6411)]