19663329

素因数分解:

$3^1\times 7^1\times {\mathrm{179}}^1\times {\mathrm{5231}}^1$

素因数の和:5420

約数の個数: 16

約数和(自身を含む): 30136320

約数和(自身を除く): 10472991

約数列:

[1, 3, 7, 21, 179, 537, 1253, 3759, 5231, 15693, 36617, 109851, 936349, 2809047, 6554443, 19663329]

約数ペア:

[(1, 19663329), (3, 6554443), (7, 2809047), (21, 936349), (179, 109851), (537, 36617), (1253, 15693), (3759, 5231)]