19640585

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{2617}}^1$

素因数の和:2720

約数の個数: 16

約数和(自身を含む): 25132800

約数和(自身を除く): 5492215

約数列:

[1, 5, 19, 79, 95, 395, 1501, 2617, 7505, 13085, 49723, 206743, 248615, 1033715, 3928117, 19640585]

約数ペア:

[(1, 19640585), (5, 3928117), (19, 1033715), (79, 248615), (95, 206743), (395, 49723), (1501, 13085), (2617, 7505)]