19619000

素因数分解:

$2^3\times 5^3\times {\mathrm{23}}^1\times {\mathrm{853}}^1$

素因数の和:897

約数の個数: 64

約数和(自身を含む): 47960640

約数和(自身を除く): 28341640

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 25, 40, 46, 50, 92, 100, 115, 125, 184, 200, 230, 250, 460, 500, 575, 853, 920, 1000, 1150, 1706, 2300, 2875, 3412, 4265, 4600, 5750, 6824, 8530, 11500, 17060, 19619, 21325, 23000, 34120, 39238, 42650, 78476, 85300, 98095, 106625, 156952, 170600, 196190, 213250, 392380, 426500, 490475, 784760, 853000, 980950, 1961900, 2452375, 3923800, 4904750, 9809500, 19619000]

約数ペア:

[(1, 19619000), (2, 9809500), (4, 4904750), (5, 3923800), (8, 2452375), (10, 1961900), (20, 980950), (23, 853000), (25, 784760), (40, 490475), (46, 426500), (50, 392380), (92, 213250), (100, 196190), (115, 170600), (125, 156952), (184, 106625), (200, 98095), (230, 85300), (250, 78476), (460, 42650), (500, 39238), (575, 34120), (853, 23000), (920, 21325), (1000, 19619), (1150, 17060), (1706, 11500), (2300, 8530), (2875, 6824), (3412, 5750), (4265, 4600)]