18264272

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{277}}^1\times {\mathrm{317}}^1$

素因数の和:615

約数の個数: 40

約数和(自身を含む): 38367336

約数和(自身を除く): 20103064

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 277, 317, 554, 634, 1108, 1268, 2216, 2536, 3601, 4121, 4432, 5072, 7202, 8242, 14404, 16484, 28808, 32968, 57616, 65936, 87809, 175618, 351236, 702472, 1141517, 1404944, 2283034, 4566068, 9132136, 18264272]

約数ペア:

[(1, 18264272), (2, 9132136), (4, 4566068), (8, 2283034), (13, 1404944), (16, 1141517), (26, 702472), (52, 351236), (104, 175618), (208, 87809), (277, 65936), (317, 57616), (554, 32968), (634, 28808), (1108, 16484), (1268, 14404), (2216, 8242), (2536, 7202), (3601, 5072), (4121, 4432)]