18736304

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{113}}^1\times {\mathrm{241}}^1$

素因数の和:405

約数の個数: 40

約数和(自身を含む): 37630032

約数和(自身を除く): 18893728

約数列:

[1, 2, 4, 8, 16, 43, 86, 113, 172, 226, 241, 344, 452, 482, 688, 904, 964, 1808, 1928, 3856, 4859, 9718, 10363, 19436, 20726, 27233, 38872, 41452, 54466, 77744, 82904, 108932, 165808, 217864, 435728, 1171019, 2342038, 4684076, 9368152, 18736304]

約数ペア:

[(1, 18736304), (2, 9368152), (4, 4684076), (8, 2342038), (16, 1171019), (43, 435728), (86, 217864), (113, 165808), (172, 108932), (226, 82904), (241, 77744), (344, 54466), (452, 41452), (482, 38872), (688, 27233), (904, 20726), (964, 19436), (1808, 10363), (1928, 9718), (3856, 4859)]