18211245

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{1531}}^1$

素因数の和:1613

約数の個数: 32

約数和(自身を含む): 31914624

約数和(自身を除く): 13703379

約数列:

[1, 3, 5, 13, 15, 39, 61, 65, 183, 195, 305, 793, 915, 1531, 2379, 3965, 4593, 7655, 11895, 19903, 22965, 59709, 93391, 99515, 280173, 298545, 466955, 1214083, 1400865, 3642249, 6070415, 18211245]

約数ペア:

[(1, 18211245), (3, 6070415), (5, 3642249), (13, 1400865), (15, 1214083), (39, 466955), (61, 298545), (65, 280173), (183, 99515), (195, 93391), (305, 59709), (793, 22965), (915, 19903), (1531, 11895), (2379, 7655), (3965, 4593)]