19420575

素因数分解:

$3^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{8929}}^1$

素因数の和:8971

約数の個数: 24

約数和(自身を含む): 33219600

約数和(自身を除く): 13799025

約数列:

[1, 3, 5, 15, 25, 29, 75, 87, 145, 435, 725, 2175, 8929, 26787, 44645, 133935, 223225, 258941, 669675, 776823, 1294705, 3884115, 6473525, 19420575]

約数ペア:

[(1, 19420575), (3, 6473525), (5, 3884115), (15, 1294705), (25, 776823), (29, 669675), (75, 258941), (87, 223225), (145, 133935), (435, 44645), (725, 26787), (2175, 8929)]