17720222

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{853}}^1$

素因数の和:932

約数の個数: 32

約数和(自身を含む): 30989952

約数和(自身を除く): 13269730

約数列:

[1, 2, 13, 17, 26, 34, 47, 94, 221, 442, 611, 799, 853, 1222, 1598, 1706, 10387, 11089, 14501, 20774, 22178, 29002, 40091, 80182, 188513, 377026, 521183, 681547, 1042366, 1363094, 8860111, 17720222]

約数ペア:

[(1, 17720222), (2, 8860111), (13, 1363094), (17, 1042366), (26, 681547), (34, 521183), (47, 377026), (94, 188513), (221, 80182), (442, 40091), (611, 29002), (799, 22178), (853, 20774), (1222, 14501), (1598, 11089), (1706, 10387)]