18399140

素因数分解:

$2^2\times 5^1\times {\mathrm{523}}^1\times {\mathrm{1759}}^1$

素因数の和:2291

約数の個数: 24

約数和(自身を含む): 38734080

約数和(自身を除く): 20334940

約数列:

[1, 2, 4, 5, 10, 20, 523, 1046, 1759, 2092, 2615, 3518, 5230, 7036, 8795, 10460, 17590, 35180, 919957, 1839914, 3679828, 4599785, 9199570, 18399140]

約数ペア:

[(1, 18399140), (2, 9199570), (4, 4599785), (5, 3679828), (10, 1839914), (20, 919957), (523, 35180), (1046, 17590), (1759, 10460), (2092, 8795), (2615, 7036), (3518, 5230)]