19821500

素因数分解:

$2^2\times 5^3\times {\mathrm{29}}^1\times {\mathrm{1367}}^1$

素因数の和:1415

約数の個数: 48

約数和(自身を含む): 44815680

約数和(自身を除く): 24994180

約数列:

[1, 2, 4, 5, 10, 20, 25, 29, 50, 58, 100, 116, 125, 145, 250, 290, 500, 580, 725, 1367, 1450, 2734, 2900, 3625, 5468, 6835, 7250, 13670, 14500, 27340, 34175, 39643, 68350, 79286, 136700, 158572, 170875, 198215, 341750, 396430, 683500, 792860, 991075, 1982150, 3964300, 4955375, 9910750, 19821500]

約数ペア:

[(1, 19821500), (2, 9910750), (4, 4955375), (5, 3964300), (10, 1982150), (20, 991075), (25, 792860), (29, 683500), (50, 396430), (58, 341750), (100, 198215), (116, 170875), (125, 158572), (145, 136700), (250, 79286), (290, 68350), (500, 39643), (580, 34175), (725, 27340), (1367, 14500), (1450, 13670), (2734, 7250), (2900, 6835), (3625, 5468)]