18812090

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{9001}}^1$

素因数の和:9038

約数の個数: 32

約数和(自身を含む): 38888640

約数和(自身を除く): 20076550

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 95, 110, 190, 209, 418, 1045, 2090, 9001, 18002, 45005, 90010, 99011, 171019, 198022, 342038, 495055, 855095, 990110, 1710190, 1881209, 3762418, 9406045, 18812090]

約数ペア:

[(1, 18812090), (2, 9406045), (5, 3762418), (10, 1881209), (11, 1710190), (19, 990110), (22, 855095), (38, 495055), (55, 342038), (95, 198022), (110, 171019), (190, 99011), (209, 90010), (418, 45005), (1045, 18002), (2090, 9001)]