18793216

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{5647}}^1$

素因数の和:5676

約数の個数: 36

約数和(自身を含む): 40405792

約数和(自身を除く): 21612576

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 256, 416, 832, 1664, 3328, 5647, 11294, 22588, 45176, 73411, 90352, 146822, 180704, 293644, 361408, 587288, 722816, 1174576, 1445632, 2349152, 4698304, 9396608, 18793216]

約数ペア:

[(1, 18793216), (2, 9396608), (4, 4698304), (8, 2349152), (13, 1445632), (16, 1174576), (26, 722816), (32, 587288), (52, 361408), (64, 293644), (104, 180704), (128, 146822), (208, 90352), (256, 73411), (416, 45176), (832, 22588), (1664, 11294), (3328, 5647)]