17994425

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{881}}^1$

素因数の和:953

約数の個数: 24

約数和(自身を含む): 24060960

約数和(自身を除く): 6066535

約数列:

[1, 5, 19, 25, 43, 95, 215, 475, 817, 881, 1075, 4085, 4405, 16739, 20425, 22025, 37883, 83695, 189415, 418475, 719777, 947075, 3598885, 17994425]

約数ペア:

[(1, 17994425), (5, 3598885), (19, 947075), (25, 719777), (43, 418475), (95, 189415), (215, 83695), (475, 37883), (817, 22025), (881, 20425), (1075, 16739), (4085, 4405)]