19702355

素因数分解:

$5^1\times {\mathrm{67}}^1\times {\mathrm{103}}^1\times {\mathrm{571}}^1$

素因数の和:746

約数の個数: 16

約数和(自身を含む): 24271104

約数和(自身を除く): 4568749

約数列:

[1, 5, 67, 103, 335, 515, 571, 2855, 6901, 34505, 38257, 58813, 191285, 294065, 3940471, 19702355]

約数ペア:

[(1, 19702355), (5, 3940471), (67, 294065), (103, 191285), (335, 58813), (515, 38257), (571, 34505), (2855, 6901)]