18996965650

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{168937}}^1$

素因数の和:169135

約数の個数: 48

約数和(自身を含む): 38272566024

約数和(自身を除く): 19275600374

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 173, 325, 346, 650, 865, 1730, 2249, 4325, 4498, 8650, 11245, 22490, 56225, 112450, 168937, 337874, 844685, 1689370, 2196181, 4223425, 4392362, 8446850, 10980905, 21961810, 29226101, 54904525, 58452202, 109809050, 146130505, 292261010, 379939313, 730652525, 759878626, 1461305050, 1899696565, 3799393130, 9498482825, 18996965650]

約数ペア:

[(1, 18996965650), (2, 9498482825), (5, 3799393130), (10, 1899696565), (13, 1461305050), (25, 759878626), (26, 730652525), (50, 379939313), (65, 292261010), (130, 146130505), (173, 109809050), (325, 58452202), (346, 54904525), (650, 29226101), (865, 21961810), (1730, 10980905), (2249, 8446850), (4325, 4392362), (4498, 4223425), (8650, 2196181), (11245, 1689370), (22490, 844685), (56225, 337874), (112450, 168937)]