19001241

素因数分解:

$3^2\times 7^1\times {\mathrm{197}}^1\times {\mathrm{1531}}^1$

素因数の和:1741

約数の個数: 24

約数和(自身を含む): 31546944

約数和(自身を除く): 12545703

約数列:

[1, 3, 7, 9, 21, 63, 197, 591, 1379, 1531, 1773, 4137, 4593, 10717, 12411, 13779, 32151, 96453, 301607, 904821, 2111249, 2714463, 6333747, 19001241]

約数ペア:

[(1, 19001241), (3, 6333747), (7, 2714463), (9, 2111249), (21, 904821), (63, 301607), (197, 96453), (591, 32151), (1379, 13779), (1531, 12411), (1773, 10717), (4137, 4593)]