19721702

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{9851}}^1$

素因数の和:9884

約数の個数: 32

約数和(自身を含む): 39723264

約数和(自身を除く): 20001562

約数列:

[1, 2, 7, 11, 13, 14, 22, 26, 77, 91, 143, 154, 182, 286, 1001, 2002, 9851, 19702, 68957, 108361, 128063, 137914, 216722, 256126, 758527, 896441, 1408693, 1517054, 1792882, 2817386, 9860851, 19721702]

約数ペア:

[(1, 19721702), (2, 9860851), (7, 2817386), (11, 1792882), (13, 1517054), (14, 1408693), (22, 896441), (26, 758527), (77, 256126), (91, 216722), (143, 137914), (154, 128063), (182, 108361), (286, 68957), (1001, 19702), (2002, 9851)]