19902794

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{251}}^1\times {\mathrm{967}}^1$

素因数の和:1261

約数の個数: 16

約数和(自身を含む): 30735936

約数和(自身を除く): 10833142

約数列:

[1, 2, 41, 82, 251, 502, 967, 1934, 10291, 20582, 39647, 79294, 242717, 485434, 9951397, 19902794]

約数ペア:

[(1, 19902794), (2, 9951397), (41, 485434), (82, 242717), (251, 79294), (502, 39647), (967, 20582), (1934, 10291)]