19390119

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{197}}^1$

素因数の和:359

約数の個数: 32

約数和(自身を含む): 30666240

約数和(自身を除く): 11276121

約数列:

[1, 3, 7, 21, 43, 109, 129, 197, 301, 327, 591, 763, 903, 1379, 2289, 4137, 4687, 8471, 14061, 21473, 25413, 32809, 59297, 64419, 98427, 150311, 177891, 450933, 923339, 2770017, 6463373, 19390119]

約数ペア:

[(1, 19390119), (3, 6463373), (7, 2770017), (21, 923339), (43, 450933), (109, 177891), (129, 150311), (197, 98427), (301, 64419), (327, 59297), (591, 32809), (763, 25413), (903, 21473), (1379, 14061), (2289, 8471), (4137, 4687)]