19913512

素因数分解:

$2^3\times {\mathrm{71}}^1\times {\mathrm{35059}}^1$

素因数の和:35136

約数の個数: 16

約数和(自身を含む): 37864800

約数和(自身を除く): 17951288

約数列:

[1, 2, 4, 8, 71, 142, 284, 568, 35059, 70118, 140236, 280472, 2489189, 4978378, 9956756, 19913512]

約数ペア:

[(1, 19913512), (2, 9956756), (4, 4978378), (8, 2489189), (71, 280472), (142, 140236), (284, 70118), (568, 35059)]