19307301

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{397}}^1$

素因数の和:485

約数の個数: 32

約数和(自身を含む): 29420160

約数和(自身を除く): 10112859

約数列:

[1, 3, 13, 29, 39, 43, 87, 129, 377, 397, 559, 1131, 1191, 1247, 1677, 3741, 5161, 11513, 15483, 16211, 17071, 34539, 48633, 51213, 149669, 221923, 449007, 495059, 665769, 1485177, 6435767, 19307301]

約数ペア:

[(1, 19307301), (3, 6435767), (13, 1485177), (29, 665769), (39, 495059), (43, 449007), (87, 221923), (129, 149669), (377, 51213), (397, 48633), (559, 34539), (1131, 17071), (1191, 16211), (1247, 15483), (1677, 11513), (3741, 5161)]