19922615

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{1627}}^1$

素因数の和:1742

約数の個数: 16

約数和(自身を含む): 25006080

約数和(自身を除く): 5083465

約数列:

[1, 5, 31, 79, 155, 395, 1627, 2449, 8135, 12245, 50437, 128533, 252185, 642665, 3984523, 19922615]

約数ペア:

[(1, 19922615), (5, 3984523), (31, 642665), (79, 252185), (155, 128533), (395, 50437), (1627, 12245), (2449, 8135)]