18293919

素因数分解:

$3^1\times 7^1\times {\mathrm{569}}^1\times {\mathrm{1531}}^1$

素因数の和:2110

約数の個数: 16

約数和(自身を含む): 27943680

約数和(自身を除く): 9649761

約数列:

[1, 3, 7, 21, 569, 1531, 1707, 3983, 4593, 10717, 11949, 32151, 871139, 2613417, 6097973, 18293919]

約数ペア:

[(1, 18293919), (3, 6097973), (7, 2613417), (21, 871139), (569, 32151), (1531, 11949), (1707, 10717), (3983, 4593)]