19961450

素因数分解:

$2^1\times 5^2\times {\mathrm{113}}^1\times {\mathrm{3533}}^1$

素因数の和:3658

約数の個数: 24

約数和(自身を含む): 37467468

約数和(自身を除く): 17506018

約数列:

[1, 2, 5, 10, 25, 50, 113, 226, 565, 1130, 2825, 3533, 5650, 7066, 17665, 35330, 88325, 176650, 399229, 798458, 1996145, 3992290, 9980725, 19961450]

約数ペア:

[(1, 19961450), (2, 9980725), (5, 3992290), (10, 1996145), (25, 798458), (50, 399229), (113, 176650), (226, 88325), (565, 35330), (1130, 17665), (2825, 7066), (3533, 5650)]