16818529

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{421}}^1\times {\mathrm{439}}^1$

素因数の和:880

約数の個数: 16

約数和(自身を含む): 20796160

約数和(自身を除く): 3977631

約数列:

[1, 7, 13, 91, 421, 439, 2947, 3073, 5473, 5707, 38311, 39949, 184819, 1293733, 2402647, 16818529]

約数ペア:

[(1, 16818529), (7, 2402647), (13, 1293733), (91, 184819), (421, 39949), (439, 38311), (2947, 5707), (3073, 5473)]