19836742

素因数分解:

$2^1\times {\mathrm{79}}^1\times {\mathrm{223}}^1\times {\mathrm{563}}^1$

素因数の和:867

約数の個数: 16

約数和(自身を含む): 30320640

約数和(自身を除く): 10483898

約数列:

[1, 2, 79, 158, 223, 446, 563, 1126, 17617, 35234, 44477, 88954, 125549, 251098, 9918371, 19836742]

約数ペア:

[(1, 19836742), (2, 9918371), (79, 251098), (158, 125549), (223, 88954), (446, 44477), (563, 35234), (1126, 17617)]