19715223

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{311}}^1$

素因数の和:455

約数の個数: 32

約数和(自身を含む): 30730752

約数和(自身を除く): 11015529

約数列:

[1, 3, 11, 17, 33, 51, 113, 187, 311, 339, 561, 933, 1243, 1921, 3421, 3729, 5287, 5763, 10263, 15861, 21131, 35143, 58157, 63393, 105429, 174471, 386573, 597431, 1159719, 1792293, 6571741, 19715223]

約数ペア:

[(1, 19715223), (3, 6571741), (11, 1792293), (17, 1159719), (33, 597431), (51, 386573), (113, 174471), (187, 105429), (311, 63393), (339, 58157), (561, 35143), (933, 21131), (1243, 15861), (1921, 10263), (3421, 5763), (3729, 5287)]