18730728

素因数分解:

$2^3\times 3^2\times {\mathrm{157}}^1\times {\mathrm{1657}}^1$

素因数の和:1826

約数の個数: 48

約数和(自身を含む): 51082980

約数和(自身を除く): 32352252

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 157, 314, 471, 628, 942, 1256, 1413, 1657, 1884, 2826, 3314, 3768, 4971, 5652, 6628, 9942, 11304, 13256, 14913, 19884, 29826, 39768, 59652, 119304, 260149, 520298, 780447, 1040596, 1560894, 2081192, 2341341, 3121788, 4682682, 6243576, 9365364, 18730728]

約数ペア:

[(1, 18730728), (2, 9365364), (3, 6243576), (4, 4682682), (6, 3121788), (8, 2341341), (9, 2081192), (12, 1560894), (18, 1040596), (24, 780447), (36, 520298), (72, 260149), (157, 119304), (314, 59652), (471, 39768), (628, 29826), (942, 19884), (1256, 14913), (1413, 13256), (1657, 11304), (1884, 9942), (2826, 6628), (3314, 5652), (3768, 4971)]