15581264

素因数分解:

$2^4\times {\mathrm{409}}^1\times {\mathrm{2381}}^1$

素因数の和:2798

約数の個数: 20

約数和(自身を含む): 30275220

約数和(自身を除く): 14693956

約数列:

[1, 2, 4, 8, 16, 409, 818, 1636, 2381, 3272, 4762, 6544, 9524, 19048, 38096, 973829, 1947658, 3895316, 7790632, 15581264]

約数ペア:

[(1, 15581264), (2, 7790632), (4, 3895316), (8, 1947658), (16, 973829), (409, 38096), (818, 19048), (1636, 9524), (2381, 6544), (3272, 4762)]