19198000

素因数分解:

$2^4\times 5^3\times {\mathrm{29}}^1\times {\mathrm{331}}^1$

素因数の和:383

約数の個数: 80

約数和(自身を含む): 48166560

約数和(自身を除く): 28968560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 29, 40, 50, 58, 80, 100, 116, 125, 145, 200, 232, 250, 290, 331, 400, 464, 500, 580, 662, 725, 1000, 1160, 1324, 1450, 1655, 2000, 2320, 2648, 2900, 3310, 3625, 5296, 5800, 6620, 7250, 8275, 9599, 11600, 13240, 14500, 16550, 19198, 26480, 29000, 33100, 38396, 41375, 47995, 58000, 66200, 76792, 82750, 95990, 132400, 153584, 165500, 191980, 239975, 331000, 383960, 479950, 662000, 767920, 959900, 1199875, 1919800, 2399750, 3839600, 4799500, 9599000, 19198000]

約数ペア:

[(1, 19198000), (2, 9599000), (4, 4799500), (5, 3839600), (8, 2399750), (10, 1919800), (16, 1199875), (20, 959900), (25, 767920), (29, 662000), (40, 479950), (50, 383960), (58, 331000), (80, 239975), (100, 191980), (116, 165500), (125, 153584), (145, 132400), (200, 95990), (232, 82750), (250, 76792), (290, 66200), (331, 58000), (400, 47995), (464, 41375), (500, 38396), (580, 33100), (662, 29000), (725, 26480), (1000, 19198), (1160, 16550), (1324, 14500), (1450, 13240), (1655, 11600), (2000, 9599), (2320, 8275), (2648, 7250), (2900, 6620), (3310, 5800), (3625, 5296)]