19917470

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{53831}}^1$

素因数の和:53875

約数の個数: 16

約数和(自身を含む): 36821088

約数和(自身を除く): 16903618

約数列:

[1, 2, 5, 10, 37, 74, 185, 370, 53831, 107662, 269155, 538310, 1991747, 3983494, 9958735, 19917470]

約数ペア:

[(1, 19917470), (2, 9958735), (5, 3983494), (10, 1991747), (37, 538310), (74, 269155), (185, 107662), (370, 53831)]