18123007

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{167}}^1\times {\mathrm{419}}^1$

素因数の和:630

約数の個数: 16

約数和(自身を含む): 21450240

約数和(自身を除く): 3327233

約数列:

[1, 7, 37, 167, 259, 419, 1169, 2933, 6179, 15503, 43253, 69973, 108521, 489811, 2589001, 18123007]

約数ペア:

[(1, 18123007), (7, 2589001), (37, 489811), (167, 108521), (259, 69973), (419, 43253), (1169, 15503), (2933, 6179)]