19996417

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{251}}^1\times {\mathrm{599}}^1$

素因数の和:876

約数の個数: 16

約数和(自身を含む): 24192000

約数和(自身を除く): 4195583

約数列:

[1, 7, 19, 133, 251, 599, 1757, 4193, 4769, 11381, 33383, 79667, 150349, 1052443, 2856631, 19996417]

約数ペア:

[(1, 19996417), (7, 2856631), (19, 1052443), (133, 150349), (251, 79667), (599, 33383), (1757, 11381), (4193, 4769)]