18736276

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{197}}^1$

素因数の和:304

約数の個数: 48

約数和(自身を含む): 37255680

約数和(自身を除く): 18519404

約数列:

[1, 2, 4, 13, 26, 31, 52, 59, 62, 118, 124, 197, 236, 394, 403, 767, 788, 806, 1534, 1612, 1829, 2561, 3068, 3658, 5122, 6107, 7316, 10244, 11623, 12214, 23246, 23777, 24428, 46492, 47554, 79391, 95108, 151099, 158782, 302198, 317564, 360313, 604396, 720626, 1441252, 4684069, 9368138, 18736276]

約数ペア:

[(1, 18736276), (2, 9368138), (4, 4684069), (13, 1441252), (26, 720626), (31, 604396), (52, 360313), (59, 317564), (62, 302198), (118, 158782), (124, 151099), (197, 95108), (236, 79391), (394, 47554), (403, 46492), (767, 24428), (788, 23777), (806, 23246), (1534, 12214), (1612, 11623), (1829, 10244), (2561, 7316), (3068, 6107), (3658, 5122)]