19537922

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{223}}^1\times {\mathrm{617}}^1$

素因数の和:913

約数の個数: 16

約数和(自身を含む): 29901312

約数和(自身を除く): 10363390

約数列:

[1, 2, 71, 142, 223, 446, 617, 1234, 15833, 31666, 43807, 87614, 137591, 275182, 9768961, 19537922]

約数ペア:

[(1, 19537922), (2, 9768961), (71, 275182), (142, 137591), (223, 87614), (446, 43807), (617, 31666), (1234, 15833)]