18172360

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23911}}^1$

素因数の和:23941

約数の個数: 32

約数和(自身を含む): 43041600

約数和(自身を除く): 24869240

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 23911, 47822, 95644, 119555, 191288, 239110, 454309, 478220, 908618, 956440, 1817236, 2271545, 3634472, 4543090, 9086180, 18172360]

約数ペア:

[(1, 18172360), (2, 9086180), (4, 4543090), (5, 3634472), (8, 2271545), (10, 1817236), (19, 956440), (20, 908618), (38, 478220), (40, 454309), (76, 239110), (95, 191288), (152, 119555), (190, 95644), (380, 47822), (760, 23911)]