20196172919

素因数分解:

${\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{193}}^1\times {\mathrm{3557}}^1$

素因数の和:3867

約数の個数: 32

約数和(自身を含む): 22883234304

約数和(自身を除く): 2687061385

約数列:

[1, 13, 31, 73, 193, 403, 949, 2263, 2509, 3557, 5983, 14089, 29419, 46241, 77779, 110267, 183157, 259661, 436759, 686501, 1433471, 3375593, 5677867, 8049491, 8924513, 21281531, 50114573, 104643383, 276659903, 651489449, 1553551763, 20196172919]

約数ペア:

[(1, 20196172919), (13, 1553551763), (31, 651489449), (73, 276659903), (193, 104643383), (403, 50114573), (949, 21281531), (2263, 8924513), (2509, 8049491), (3557, 5677867), (5983, 3375593), (14089, 1433471), (29419, 686501), (46241, 436759), (77779, 259661), (110267, 183157)]