19622525

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{349}}^1$

素因数の和:545

約数の個数: 24

約数和(自身を含む): 26430600

約数和(自身を除く): 6808075

約数列:

[1, 5, 13, 25, 65, 173, 325, 349, 865, 1745, 2249, 4325, 4537, 8725, 11245, 22685, 56225, 60377, 113425, 301885, 784901, 1509425, 3924505, 19622525]

約数ペア:

[(1, 19622525), (5, 3924505), (13, 1509425), (25, 784901), (65, 301885), (173, 113425), (325, 60377), (349, 56225), (865, 22685), (1745, 11245), (2249, 8725), (4325, 4537)]