19901469

素因数分解:

$3^1\times 7^1\times {\mathrm{619}}^1\times {\mathrm{1531}}^1$

素因数の和:2160

約数の個数: 16

約数和(自身を含む): 30394880

約数和(自身を除く): 10493411

約数列:

[1, 3, 7, 21, 619, 1531, 1857, 4333, 4593, 10717, 12999, 32151, 947689, 2843067, 6633823, 19901469]

約数ペア:

[(1, 19901469), (3, 6633823), (7, 2843067), (21, 947689), (619, 32151), (1531, 12999), (1857, 10717), (4333, 4593)]