18385408

素因数分解:

$2^9\times {\mathrm{149}}^1\times {\mathrm{241}}^1$

素因数の和:408

約数の個数: 40

約数和(自身を含む): 37134900

約数和(自身を除く): 18749492

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 149, 241, 256, 298, 482, 512, 596, 964, 1192, 1928, 2384, 3856, 4768, 7712, 9536, 15424, 19072, 30848, 35909, 38144, 61696, 71818, 76288, 123392, 143636, 287272, 574544, 1149088, 2298176, 4596352, 9192704, 18385408]

約数ペア:

[(1, 18385408), (2, 9192704), (4, 4596352), (8, 2298176), (16, 1149088), (32, 574544), (64, 287272), (128, 143636), (149, 123392), (241, 76288), (256, 71818), (298, 61696), (482, 38144), (512, 35909), (596, 30848), (964, 19072), (1192, 15424), (1928, 9536), (2384, 7712), (3856, 4768)]