19953595

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{241}}^1\times {\mathrm{571}}^1$

素因数の和:846

約数の個数: 16

約数和(自身を含む): 24916320

約数和(自身を除く): 4962725

約数列:

[1, 5, 29, 145, 241, 571, 1205, 2855, 6989, 16559, 34945, 82795, 137611, 688055, 3990719, 19953595]

約数ペア:

[(1, 19953595), (5, 3990719), (29, 688055), (145, 137611), (241, 82795), (571, 34945), (1205, 16559), (2855, 6989)]