18840115

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{691}}^1$

素因数の和:763

約数の個数: 32

約数和(自身を含む): 27901440

約数和(自身を除く): 9061325

約数列:

[1, 5, 7, 19, 35, 41, 95, 133, 205, 287, 665, 691, 779, 1435, 3455, 3895, 4837, 5453, 13129, 24185, 27265, 28331, 65645, 91903, 141655, 198317, 459515, 538289, 991585, 2691445, 3768023, 18840115]

約数ペア:

[(1, 18840115), (5, 3768023), (7, 2691445), (19, 991585), (35, 538289), (41, 459515), (95, 198317), (133, 141655), (205, 91903), (287, 65645), (665, 28331), (691, 27265), (779, 24185), (1435, 13129), (3455, 5453), (3895, 4837)]