19788892786

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{281}}^1\times {\mathrm{2708581}}^1$

素因数の和:2708877

約数の個数: 16

約数和(自身を含む): 32080445208

約数和(自身を除く): 12291552422

約数列:

[1, 2, 13, 26, 281, 562, 3653, 7306, 2708581, 5417162, 35211553, 70423106, 761111261, 1522222522, 9894446393, 19788892786]

約数ペア:

[(1, 19788892786), (2, 9894446393), (13, 1522222522), (26, 761111261), (281, 70423106), (562, 35211553), (3653, 5417162), (7306, 2708581)]