20180212143

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1997843}}^1$

素因数の和:1997903

約数の個数: 32

約数和(自身を含む): 34011296256

約数和(自身を除く): 13831084113

約数列:

[1, 3, 7, 13, 21, 37, 39, 91, 111, 259, 273, 481, 777, 1443, 3367, 10101, 1997843, 5993529, 13984901, 25971959, 41954703, 73920191, 77915877, 181803713, 221760573, 517441337, 545411139, 960962483, 1552324011, 2882887449, 6726737381, 20180212143]

約数ペア:

[(1, 20180212143), (3, 6726737381), (7, 2882887449), (13, 1552324011), (21, 960962483), (37, 545411139), (39, 517441337), (91, 221760573), (111, 181803713), (259, 77915877), (273, 73920191), (481, 41954703), (777, 25971959), (1443, 13984901), (3367, 5993529), (10101, 1997843)]