19810103

素因数分解:

${\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{157}}^1\times {\mathrm{229}}^1$

素因数の和:434

約数の個数: 16

約数和(自身を含む): 21804000

約数和(自身を除く): 1993897

約数列:

[1, 19, 29, 157, 229, 551, 2983, 4351, 4553, 6641, 35953, 86507, 126179, 683107, 1042637, 19810103]

約数ペア:

[(1, 19810103), (19, 1042637), (29, 683107), (157, 126179), (229, 86507), (551, 35953), (2983, 6641), (4351, 4553)]