19849000

素因数分解:

$2^3\times 5^3\times {\mathrm{23}}^1\times {\mathrm{863}}^1$

素因数の和:907

約数の個数: 64

約数和(自身を含む): 48522240

約数和(自身を除く): 28673240

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, 863, 920, 1000, 1150, 1726, 2300, 2875, 3452, 4315, 4600, 5750, 6904, 8630, 11500, 17260, 19849, 21575, 23000, 34520, 39698, 43150, 79396, 86300, 99245, 107875, 158792, 172600, 198490, 215750, 396980, 431500, 496225, 793960, 863000, 992450, 1984900, 2481125, 3969800, 4962250, 9924500, 19849000]

約数ペア:

[(1, 19849000), (2, 9924500), (4, 4962250), (5, 3969800), (8, 2481125), (10, 1984900), (20, 992450), (23, 863000), (25, 793960), (40, 496225), (46, 431500), (50, 396980), (92, 215750), (100, 198490), (115, 172600), (125, 158792), (184, 107875), (200, 99245), (230, 86300), (250, 79396), (460, 43150), (500, 39698), (575, 34520), (863, 23000), (920, 21575), (1000, 19849), (1150, 17260), (1726, 11500), (2300, 8630), (2875, 6904), (3452, 5750), (4315, 4600)]