18161925

素因数分解:

$3^1\times 5^2\times {\mathrm{113}}^1\times {\mathrm{2143}}^1$

素因数の和:2269

約数の個数: 24

約数和(自身を含む): 30307584

約数和(自身を除く): 12145659

約数列:

[1, 3, 5, 15, 25, 75, 113, 339, 565, 1695, 2143, 2825, 6429, 8475, 10715, 32145, 53575, 160725, 242159, 726477, 1210795, 3632385, 6053975, 18161925]

約数ペア:

[(1, 18161925), (3, 6053975), (5, 3632385), (15, 1210795), (25, 726477), (75, 242159), (113, 160725), (339, 53575), (565, 32145), (1695, 10715), (2143, 8475), (2825, 6429)]