18551940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{28109}}^1$

素因数の和:28132

約数の個数: 48

約数和(自身を含む): 56669760

約数和(自身を除く): 38117820

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 330, 660, 28109, 56218, 84327, 112436, 140545, 168654, 281090, 309199, 337308, 421635, 562180, 618398, 843270, 927597, 1236796, 1545995, 1686540, 1855194, 3091990, 3710388, 4637985, 6183980, 9275970, 18551940]

約数ペア:

[(1, 18551940), (2, 9275970), (3, 6183980), (4, 4637985), (5, 3710388), (6, 3091990), (10, 1855194), (11, 1686540), (12, 1545995), (15, 1236796), (20, 927597), (22, 843270), (30, 618398), (33, 562180), (44, 421635), (55, 337308), (60, 309199), (66, 281090), (110, 168654), (132, 140545), (165, 112436), (220, 84327), (330, 56218), (660, 28109)]