18913974

素因数分解:

$2^1\times 3^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{1531}}^1$

素因数の和:1636

約数の個数: 32

約数和(自身を含む): 39709440

約数和(自身を除く): 20795466

約数列:

[1, 2, 3, 6, 29, 58, 71, 87, 142, 174, 213, 426, 1531, 2059, 3062, 4118, 4593, 6177, 9186, 12354, 44399, 88798, 108701, 133197, 217402, 266394, 326103, 652206, 3152329, 6304658, 9456987, 18913974]

約数ペア:

[(1, 18913974), (2, 9456987), (3, 6304658), (6, 3152329), (29, 652206), (58, 326103), (71, 266394), (87, 217402), (142, 133197), (174, 108701), (213, 88798), (426, 44399), (1531, 12354), (2059, 9186), (3062, 6177), (4118, 4593)]