31803454

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{137}}^1\times {\mathrm{149}}^1$

素因数の和:348

約数の個数: 32

約数和(自身を含む): 52164000

約数和(自身を除く): 20360546

約数列:

[1, 2, 19, 38, 41, 82, 137, 149, 274, 298, 779, 1558, 2603, 2831, 5206, 5617, 5662, 6109, 11234, 12218, 20413, 40826, 106723, 116071, 213446, 232142, 387847, 775694, 836933, 1673866, 15901727, 31803454]

約数ペア:

[(1, 31803454), (2, 15901727), (19, 1673866), (38, 836933), (41, 775694), (82, 387847), (137, 232142), (149, 213446), (274, 116071), (298, 106723), (779, 40826), (1558, 20413), (2603, 12218), (2831, 11234), (5206, 6109), (5617, 5662)]