18381700

素因数分解:

$2^2\times 5^2\times {\mathrm{47}}^1\times {\mathrm{3911}}^1$

素因数の和:3972

約数の個数: 36

約数和(自身を含む): 40747392

約数和(自身を除く): 22365692

約数列:

[1, 2, 4, 5, 10, 20, 25, 47, 50, 94, 100, 188, 235, 470, 940, 1175, 2350, 3911, 4700, 7822, 15644, 19555, 39110, 78220, 97775, 183817, 195550, 367634, 391100, 735268, 919085, 1838170, 3676340, 4595425, 9190850, 18381700]

約数ペア:

[(1, 18381700), (2, 9190850), (4, 4595425), (5, 3676340), (10, 1838170), (20, 919085), (25, 735268), (47, 391100), (50, 367634), (94, 195550), (100, 183817), (188, 97775), (235, 78220), (470, 39110), (940, 19555), (1175, 15644), (2350, 7822), (3911, 4700)]