18730192

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{5297}}^1$

素因数の和:5335

約数の個数: 40

約数和(自身を含む): 41387976

約数和(自身を除く): 22657784

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 34, 52, 68, 104, 136, 208, 221, 272, 442, 884, 1768, 3536, 5297, 10594, 21188, 42376, 68861, 84752, 90049, 137722, 180098, 275444, 360196, 550888, 720392, 1101776, 1170637, 1440784, 2341274, 4682548, 9365096, 18730192]

約数ペア:

[(1, 18730192), (2, 9365096), (4, 4682548), (8, 2341274), (13, 1440784), (16, 1170637), (17, 1101776), (26, 720392), (34, 550888), (52, 360196), (68, 275444), (104, 180098), (136, 137722), (208, 90049), (221, 84752), (272, 68861), (442, 42376), (884, 21188), (1768, 10594), (3536, 5297)]