18668745

素因数分解:

$3^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{2267}}^1$

素因数の和:2342

約数の個数: 32

約数和(自身を含む): 33747840

約数和(自身を除く): 15079095

約数列:

[1, 3, 5, 9, 15, 27, 45, 61, 135, 183, 305, 549, 915, 1647, 2267, 2745, 6801, 8235, 11335, 20403, 34005, 61209, 102015, 138287, 306045, 414861, 691435, 1244583, 2074305, 3733749, 6222915, 18668745]

約数ペア:

[(1, 18668745), (3, 6222915), (5, 3733749), (9, 2074305), (15, 1244583), (27, 691435), (45, 414861), (61, 306045), (135, 138287), (183, 102015), (305, 61209), (549, 34005), (915, 20403), (1647, 11335), (2267, 8235), (2745, 6801)]