18454696

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{2909}}^1$

素因数の和:2989

約数の個数: 32

約数和(自身を含む): 37888200

約数和(自身を除く): 19433504

約数列:

[1, 2, 4, 8, 13, 26, 52, 61, 104, 122, 244, 488, 793, 1586, 2909, 3172, 5818, 6344, 11636, 23272, 37817, 75634, 151268, 177449, 302536, 354898, 709796, 1419592, 2306837, 4613674, 9227348, 18454696]

約数ペア:

[(1, 18454696), (2, 9227348), (4, 4613674), (8, 2306837), (13, 1419592), (26, 709796), (52, 354898), (61, 302536), (104, 177449), (122, 151268), (244, 75634), (488, 37817), (793, 23272), (1586, 11636), (2909, 6344), (3172, 5818)]