19914885

素因数分解:

$3^2\times 5^1\times {\mathrm{311}}^1\times {\mathrm{1423}}^1$

素因数の和:1745

約数の個数: 24

約数和(自身を含む): 34654464

約数和(自身を除く): 14739579

約数列:

[1, 3, 5, 9, 15, 45, 311, 933, 1423, 1555, 2799, 4269, 4665, 7115, 12807, 13995, 21345, 64035, 442553, 1327659, 2212765, 3982977, 6638295, 19914885]

約数ペア:

[(1, 19914885), (3, 6638295), (5, 3982977), (9, 2212765), (15, 1327659), (45, 442553), (311, 64035), (933, 21345), (1423, 13995), (1555, 12807), (2799, 7115), (4269, 4665)]