18922735

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{3271}}^1$

素因数の和:3378

約数の個数: 16

約数和(自身を含む): 24736320

約数和(自身を除く): 5813585

約数列:

[1, 5, 13, 65, 89, 445, 1157, 3271, 5785, 16355, 42523, 212615, 291119, 1455595, 3784547, 18922735]

約数ペア:

[(1, 18922735), (5, 3784547), (13, 1455595), (65, 291119), (89, 212615), (445, 42523), (1157, 16355), (3271, 5785)]