18441860

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{853}}^1$

素因数の和:932

約数の個数: 48

約数和(自身を含む): 41319936

約数和(自身を除く): 22878076

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 47, 92, 94, 115, 188, 230, 235, 460, 470, 853, 940, 1081, 1706, 2162, 3412, 4265, 4324, 5405, 8530, 10810, 17060, 19619, 21620, 39238, 40091, 78476, 80182, 98095, 160364, 196190, 200455, 392380, 400910, 801820, 922093, 1844186, 3688372, 4610465, 9220930, 18441860]

約数ペア:

[(1, 18441860), (2, 9220930), (4, 4610465), (5, 3688372), (10, 1844186), (20, 922093), (23, 801820), (46, 400910), (47, 392380), (92, 200455), (94, 196190), (115, 160364), (188, 98095), (230, 80182), (235, 78476), (460, 40091), (470, 39238), (853, 21620), (940, 19619), (1081, 17060), (1706, 10810), (2162, 8530), (3412, 5405), (4265, 4324)]