18672740

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{7127}}^1$

素因数の和:7267

約数の個数: 24

約数和(自身を含む): 39517632

約数和(自身を除く): 20844892

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 2620, 7127, 14254, 28508, 35635, 71270, 142540, 933637, 1867274, 3734548, 4668185, 9336370, 18672740]

約数ペア:

[(1, 18672740), (2, 9336370), (4, 4668185), (5, 3734548), (10, 1867274), (20, 933637), (131, 142540), (262, 71270), (524, 35635), (655, 28508), (1310, 14254), (2620, 7127)]