18872475

素因数分解:

$3^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{8677}}^1$

素因数の和:8719

約数の個数: 24

約数和(自身を含む): 32282160

約数和(自身を除く): 13409685

約数列:

[1, 3, 5, 15, 25, 29, 75, 87, 145, 435, 725, 2175, 8677, 26031, 43385, 130155, 216925, 251633, 650775, 754899, 1258165, 3774495, 6290825, 18872475]

約数ペア:

[(1, 18872475), (3, 6290825), (5, 3774495), (15, 1258165), (25, 754899), (29, 650775), (75, 251633), (87, 216925), (145, 130155), (435, 43385), (725, 26031), (2175, 8677)]