19749710

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{18119}}^1$

素因数の和:18235

約数の個数: 16

約数和(自身を含む): 35877600

約数和(自身を除く): 16127890

約数列:

[1, 2, 5, 10, 109, 218, 545, 1090, 18119, 36238, 90595, 181190, 1974971, 3949942, 9874855, 19749710]

約数ペア:

[(1, 19749710), (2, 9874855), (5, 3949942), (10, 1974971), (109, 181190), (218, 90595), (545, 36238), (1090, 18119)]