20180930896

素因数分解:

$2^4\times 7^1\times {\mathrm{163}}^1\times {\mathrm{1105441}}^1$

素因数の和:1105619

約数の個数: 40

約数和(自身を含む): 44960537024

約数和(自身を除く): 24779606128

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 163, 326, 652, 1141, 1304, 2282, 2608, 4564, 9128, 18256, 1105441, 2210882, 4421764, 7738087, 8843528, 15476174, 17687056, 30952348, 61904696, 123809392, 180186883, 360373766, 720747532, 1261308181, 1441495064, 2522616362, 2882990128, 5045232724, 10090465448, 20180930896]

約数ペア:

[(1, 20180930896), (2, 10090465448), (4, 5045232724), (7, 2882990128), (8, 2522616362), (14, 1441495064), (16, 1261308181), (28, 720747532), (56, 360373766), (112, 180186883), (163, 123809392), (326, 61904696), (652, 30952348), (1141, 17687056), (1304, 15476174), (2282, 8843528), (2608, 7738087), (4564, 4421764), (9128, 2210882), (18256, 1105441)]