19553240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{69833}}^1$

素因数の和:69851

約数の個数: 32

約数和(自身を含む): 50280480

約数和(自身を除く): 30727240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 69833, 139666, 279332, 349165, 488831, 558664, 698330, 977662, 1396660, 1955324, 2444155, 2793320, 3910648, 4888310, 9776620, 19553240]

約数ペア:

[(1, 19553240), (2, 9776620), (4, 4888310), (5, 3910648), (7, 2793320), (8, 2444155), (10, 1955324), (14, 1396660), (20, 977662), (28, 698330), (35, 558664), (40, 488831), (56, 349165), (70, 279332), (140, 139666), (280, 69833)]