19975010

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{1607}}^1$

素因数の和:1738

約数の個数: 32

約数和(自身を含む): 39595392

約数和(自身を除く): 19620382

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 113, 226, 565, 1130, 1243, 1607, 2486, 3214, 6215, 8035, 12430, 16070, 17677, 35354, 88385, 176770, 181591, 363182, 907955, 1815910, 1997501, 3995002, 9987505, 19975010]

約数ペア:

[(1, 19975010), (2, 9987505), (5, 3995002), (10, 1997501), (11, 1815910), (22, 907955), (55, 363182), (110, 181591), (113, 176770), (226, 88385), (565, 35354), (1130, 17677), (1243, 16070), (1607, 12430), (2486, 8035), (3214, 6215)]