19663730

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{1123}}^1$

素因数の和:1250

約数の個数: 32

約数和(自身を含む): 37874304

約数和(自身を除く): 18210574

約数列:

[1, 2, 5, 10, 17, 34, 85, 103, 170, 206, 515, 1030, 1123, 1751, 2246, 3502, 5615, 8755, 11230, 17510, 19091, 38182, 95455, 115669, 190910, 231338, 578345, 1156690, 1966373, 3932746, 9831865, 19663730]

約数ペア:

[(1, 19663730), (2, 9831865), (5, 3932746), (10, 1966373), (17, 1156690), (34, 578345), (85, 231338), (103, 190910), (170, 115669), (206, 95455), (515, 38182), (1030, 19091), (1123, 17510), (1751, 11230), (2246, 8755), (3502, 5615)]