18438372

素因数分解:

$2^2\times 3^2\times {\mathrm{239}}^1\times {\mathrm{2143}}^1$

素因数の和:2392

約数の個数: 36

約数和(自身を含む): 46824960

約数和(自身を除く): 28386588

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 239, 478, 717, 956, 1434, 2143, 2151, 2868, 4286, 4302, 6429, 8572, 8604, 12858, 19287, 25716, 38574, 77148, 512177, 1024354, 1536531, 2048708, 3073062, 4609593, 6146124, 9219186, 18438372]

約数ペア:

[(1, 18438372), (2, 9219186), (3, 6146124), (4, 4609593), (6, 3073062), (9, 2048708), (12, 1536531), (18, 1024354), (36, 512177), (239, 77148), (478, 38574), (717, 25716), (956, 19287), (1434, 12858), (2143, 8604), (2151, 8572), (2868, 6429), (4286, 4302)]