19987116

素因数分解:

$2^2\times 3^1\times {\mathrm{461}}^1\times {\mathrm{3613}}^1$

素因数の和:4081

約数の個数: 24

約数和(自身を含む): 46750704

約数和(自身を除く): 26763588

約数列:

[1, 2, 3, 4, 6, 12, 461, 922, 1383, 1844, 2766, 3613, 5532, 7226, 10839, 14452, 21678, 43356, 1665593, 3331186, 4996779, 6662372, 9993558, 19987116]

約数ペア:

[(1, 19987116), (2, 9993558), (3, 6662372), (4, 4996779), (6, 3331186), (12, 1665593), (461, 43356), (922, 21678), (1383, 14452), (1844, 10839), (2766, 7226), (3613, 5532)]