18942885

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{32381}}^1$

素因数の和:32405

約数の個数: 24

約数和(自身を含む): 35361144

約数和(自身を除く): 16418259

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 195, 585, 32381, 97143, 161905, 291429, 420953, 485715, 1262859, 1457145, 2104765, 3788577, 6314295, 18942885]

約数ペア:

[(1, 18942885), (3, 6314295), (5, 3788577), (9, 2104765), (13, 1457145), (15, 1262859), (39, 485715), (45, 420953), (65, 291429), (117, 161905), (195, 97143), (585, 32381)]