18220194605

素因数分解:

$5^1\times {\mathrm{47}}^1\times {\mathrm{131}}^1\times {\mathrm{163}}^1\times {\mathrm{3631}}^1$

素因数の和:3977

約数の個数: 32

約数和(自身を含む): 22644154368

約数和(自身を除く): 4423959763

約数列:

[1, 5, 47, 131, 163, 235, 655, 815, 3631, 6157, 7661, 18155, 21353, 30785, 38305, 106765, 170657, 475661, 591853, 853285, 1003591, 2378305, 2959265, 5017955, 22356067, 27817091, 77532743, 111780335, 139085455, 387663715, 3644038921, 18220194605]

約数ペア:

[(1, 18220194605), (5, 3644038921), (47, 387663715), (131, 139085455), (163, 111780335), (235, 77532743), (655, 27817091), (815, 22356067), (3631, 5017955), (6157, 2959265), (7661, 2378305), (18155, 1003591), (21353, 853285), (30785, 591853), (38305, 475661), (106765, 170657)]