19400900

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{10211}}^1$

素因数の和:10244

約数の個数: 36

約数和(自身を含む): 44320080

約数和(自身を除く): 24919180

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 190, 380, 475, 950, 1900, 10211, 20422, 40844, 51055, 102110, 194009, 204220, 255275, 388018, 510550, 776036, 970045, 1021100, 1940090, 3880180, 4850225, 9700450, 19400900]

約数ペア:

[(1, 19400900), (2, 9700450), (4, 4850225), (5, 3880180), (10, 1940090), (19, 1021100), (20, 970045), (25, 776036), (38, 510550), (50, 388018), (76, 255275), (95, 204220), (100, 194009), (190, 102110), (380, 51055), (475, 40844), (950, 20422), (1900, 10211)]