19909670

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{3851}}^1$

素因数の和:3916

約数の個数: 32

約数和(自身を含む): 39937536

約数和(自身を除く): 20027866

約数列:

[1, 2, 5, 10, 11, 22, 47, 55, 94, 110, 235, 470, 517, 1034, 2585, 3851, 5170, 7702, 19255, 38510, 42361, 84722, 180997, 211805, 361994, 423610, 904985, 1809970, 1990967, 3981934, 9954835, 19909670]

約数ペア:

[(1, 19909670), (2, 9954835), (5, 3981934), (10, 1990967), (11, 1809970), (22, 904985), (47, 423610), (55, 361994), (94, 211805), (110, 180997), (235, 84722), (470, 42361), (517, 38510), (1034, 19255), (2585, 7702), (3851, 5170)]