18524740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71249}}^1$

素因数の和:71271

約数の個数: 24

約数和(自身を含む): 41895000

約数和(自身を除く): 23370260

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 71249, 142498, 284996, 356245, 712490, 926237, 1424980, 1852474, 3704948, 4631185, 9262370, 18524740]

約数ペア:

[(1, 18524740), (2, 9262370), (4, 4631185), (5, 3704948), (10, 1852474), (13, 1424980), (20, 926237), (26, 712490), (52, 356245), (65, 284996), (130, 142498), (260, 71249)]