18854775

素因数分解:

$3^4\times 5^2\times {\mathrm{9311}}^1$

素因数の和:9333

約数の個数: 30

約数和(自身を含む): 34929312

約数和(自身を除く): 16074537

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 135, 225, 405, 675, 2025, 9311, 27933, 46555, 83799, 139665, 232775, 251397, 418995, 698325, 754191, 1256985, 2094975, 3770955, 6284925, 18854775]

約数ペア:

[(1, 18854775), (3, 6284925), (5, 3770955), (9, 2094975), (15, 1256985), (25, 754191), (27, 698325), (45, 418995), (75, 251397), (81, 232775), (135, 139665), (225, 83799), (405, 46555), (675, 27933), (2025, 9311)]