1808628772

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{61}}^1\times {\mathrm{20533}}^1$

素因数の和:20636

約数の個数: 36

約数和(自身を含む): 3395379036

約数和(自身を除く): 1586750264

約数列:

[1, 2, 4, 19, 38, 61, 76, 122, 244, 361, 722, 1159, 1444, 2318, 4636, 20533, 22021, 41066, 44042, 82132, 88084, 390127, 780254, 1252513, 1560508, 2505026, 5010052, 7412413, 14824826, 23797747, 29649652, 47595494, 95190988, 452157193, 904314386, 1808628772]

約数ペア:

[(1, 1808628772), (2, 904314386), (4, 452157193), (19, 95190988), (38, 47595494), (61, 29649652), (76, 23797747), (122, 14824826), (244, 7412413), (361, 5010052), (722, 2505026), (1159, 1560508), (1444, 1252513), (2318, 780254), (4636, 390127), (20533, 88084), (22021, 82132), (41066, 44042)]