18265936

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{641}}^1$

素因数の和:799

約数の個数: 40

約数和(自身を含む): 38450664

約数和(自身を除く): 20184728

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 137, 208, 274, 548, 641, 1096, 1282, 1781, 2192, 2564, 3562, 5128, 7124, 8333, 10256, 14248, 16666, 28496, 33332, 66664, 87817, 133328, 175634, 351268, 702536, 1141621, 1405072, 2283242, 4566484, 9132968, 18265936]

約数ペア:

[(1, 18265936), (2, 9132968), (4, 4566484), (8, 2283242), (13, 1405072), (16, 1141621), (26, 702536), (52, 351268), (104, 175634), (137, 133328), (208, 87817), (274, 66664), (548, 33332), (641, 28496), (1096, 16666), (1282, 14248), (1781, 10256), (2192, 8333), (2564, 7124), (3562, 5128)]