18804788

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{2111}}^1$

素因数の和:2263

約数の個数: 24

約数和(自身を含む): 35126784

約数和(自身を除く): 16321996

約数列:

[1, 2, 4, 17, 34, 68, 131, 262, 524, 2111, 2227, 4222, 4454, 8444, 8908, 35887, 71774, 143548, 276541, 553082, 1106164, 4701197, 9402394, 18804788]

約数ペア:

[(1, 18804788), (2, 9402394), (4, 4701197), (17, 1106164), (34, 553082), (68, 276541), (131, 143548), (262, 71774), (524, 35887), (2111, 8908), (2227, 8444), (4222, 4454)]