19660975

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{1103}}^1$

素因数の和:1167

約数の個数: 24

約数和(自身を含む): 26284032

約数和(自身を除く): 6623057

約数列:

[1, 5, 23, 25, 31, 115, 155, 575, 713, 775, 1103, 3565, 5515, 17825, 25369, 27575, 34193, 126845, 170965, 634225, 786439, 854825, 3932195, 19660975]

約数ペア:

[(1, 19660975), (5, 3932195), (23, 854825), (25, 786439), (31, 634225), (115, 170965), (155, 126845), (575, 34193), (713, 27575), (775, 25369), (1103, 17825), (3565, 5515)]