18481939

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{907}}^1$

素因数の和:1026

約数の個数: 16

約数和(自身を含む): 21966336

約数和(自身を除く): 3484397

約数列:

[1, 7, 41, 71, 287, 497, 907, 2911, 6349, 20377, 37187, 64397, 260309, 450779, 2640277, 18481939]

約数ペア:

[(1, 18481939), (7, 2640277), (41, 450779), (71, 260309), (287, 64397), (497, 37187), (907, 20377), (2911, 6349)]