19545379

素因数分解:

$7^1\times {\mathrm{89}}^1\times {\mathrm{137}}^1\times {\mathrm{229}}^1$

素因数の和:462

約数の個数: 16

約数和(自身を含む): 22852800

約数和(自身を除く): 3307421

約数列:

[1, 7, 89, 137, 229, 623, 959, 1603, 12193, 20381, 31373, 85351, 142667, 219611, 2792197, 19545379]

約数ペア:

[(1, 19545379), (7, 2792197), (89, 219611), (137, 142667), (229, 85351), (623, 31373), (959, 20381), (1603, 12193)]