18668845

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{503}}^1\times {\mathrm{571}}^1$

素因数の和:1092

約数の個数: 16

約数和(自身を含む): 24216192

約数和(自身を除く): 5547347

約数列:

[1, 5, 13, 65, 503, 571, 2515, 2855, 6539, 7423, 32695, 37115, 287213, 1436065, 3733769, 18668845]

約数ペア:

[(1, 18668845), (5, 3733769), (13, 1436065), (65, 287213), (503, 37115), (571, 32695), (2515, 7423), (2855, 6539)]