19880876

素因数分解:

$2^2\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{1381}}^1$

素因数の和:1505

約数の個数: 24

約数和(自身を含む): 35987280

約数和(自身を除く): 16106404

約数列:

[1, 2, 4, 59, 61, 118, 122, 236, 244, 1381, 2762, 3599, 5524, 7198, 14396, 81479, 84241, 162958, 168482, 325916, 336964, 4970219, 9940438, 19880876]

約数ペア:

[(1, 19880876), (2, 9940438), (4, 4970219), (59, 336964), (61, 325916), (118, 168482), (122, 162958), (236, 84241), (244, 81479), (1381, 14396), (2762, 7198), (3599, 5524)]