19669509

素因数分解:

$3^2\times {\mathrm{1223}}^1\times {\mathrm{1787}}^1$

素因数の和:3016

約数の個数: 12

約数和(自身を含む): 28450656

約数和(自身を除く): 8781147

約数列:

[1, 3, 9, 1223, 1787, 3669, 5361, 11007, 16083, 2185501, 6556503, 19669509]

約数ペア:

[(1, 19669509), (3, 6556503), (9, 2185501), (1223, 16083), (1787, 11007), (3669, 5361)]