19078721858

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{1377923}}^1$

素因数の和:1377998

約数の個数: 32

約数和(自身を含む): 34922105856

約数和(自身を除く): 15843383998

約数列:

[1, 2, 7, 14, 23, 43, 46, 86, 161, 301, 322, 602, 989, 1978, 6923, 13846, 1377923, 2755846, 9645461, 19290922, 31692229, 59250689, 63384458, 118501378, 221845603, 414754823, 443691206, 829509646, 1362765847, 2725531694, 9539360929, 19078721858]

約数ペア:

[(1, 19078721858), (2, 9539360929), (7, 2725531694), (14, 1362765847), (23, 829509646), (43, 443691206), (46, 414754823), (86, 221845603), (161, 118501378), (301, 63384458), (322, 59250689), (602, 31692229), (989, 19290922), (1978, 9645461), (6923, 2755846), (13846, 1377923)]