18728316

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^1\times {\mathrm{17939}}^1$

素因数の和:17978

約数の個数: 36

約数和(自身を含む): 48976200

約数和(自身を除く): 30247884

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 36, 58, 87, 116, 174, 261, 348, 522, 1044, 17939, 35878, 53817, 71756, 107634, 161451, 215268, 322902, 520231, 645804, 1040462, 1560693, 2080924, 3121386, 4682079, 6242772, 9364158, 18728316]

約数ペア:

[(1, 18728316), (2, 9364158), (3, 6242772), (4, 4682079), (6, 3121386), (9, 2080924), (12, 1560693), (18, 1040462), (29, 645804), (36, 520231), (58, 322902), (87, 215268), (116, 161451), (174, 107634), (261, 71756), (348, 53817), (522, 35878), (1044, 17939)]