18179788

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{149}}^1$

素因数の和:270

約数の個数: 48

約数和(自身を含む): 36288000

約数和(自身を除く): 18108212

約数列:

[1, 2, 4, 11, 22, 44, 47, 59, 94, 118, 149, 188, 236, 298, 517, 596, 649, 1034, 1298, 1639, 2068, 2596, 2773, 3278, 5546, 6556, 7003, 8791, 11092, 14006, 17582, 28012, 30503, 35164, 61006, 77033, 96701, 122012, 154066, 193402, 308132, 386804, 413177, 826354, 1652708, 4544947, 9089894, 18179788]

約数ペア:

[(1, 18179788), (2, 9089894), (4, 4544947), (11, 1652708), (22, 826354), (44, 413177), (47, 386804), (59, 308132), (94, 193402), (118, 154066), (149, 122012), (188, 96701), (236, 77033), (298, 61006), (517, 35164), (596, 30503), (649, 28012), (1034, 17582), (1298, 14006), (1639, 11092), (2068, 8791), (2596, 7003), (2773, 6556), (3278, 5546)]