18240072

素因数分解:

$2^3\times 3^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{359}}^1$

素因数の和:470

約数の個数: 64

約数和(自身を含む): 47952000

約数和(自身を除く): 29711928

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 29, 58, 73, 87, 116, 146, 174, 219, 232, 292, 348, 359, 438, 584, 696, 718, 876, 1077, 1436, 1752, 2117, 2154, 2872, 4234, 4308, 6351, 8468, 8616, 10411, 12702, 16936, 20822, 25404, 26207, 31233, 41644, 50808, 52414, 62466, 78621, 83288, 104828, 124932, 157242, 209656, 249864, 314484, 628968, 760003, 1520006, 2280009, 3040012, 4560018, 6080024, 9120036, 18240072]

約数ペア:

[(1, 18240072), (2, 9120036), (3, 6080024), (4, 4560018), (6, 3040012), (8, 2280009), (12, 1520006), (24, 760003), (29, 628968), (58, 314484), (73, 249864), (87, 209656), (116, 157242), (146, 124932), (174, 104828), (219, 83288), (232, 78621), (292, 62466), (348, 52414), (359, 50808), (438, 41644), (584, 31233), (696, 26207), (718, 25404), (876, 20822), (1077, 16936), (1436, 12702), (1752, 10411), (2117, 8616), (2154, 8468), (2872, 6351), (4234, 4308)]