19647124

素因数分解:

$2^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{11503}}^1$

素因数の和:11575

約数の個数: 24

約数和(自身を含む): 39941888

約数和(自身を除く): 20294764

約数列:

[1, 2, 4, 7, 14, 28, 61, 122, 244, 427, 854, 1708, 11503, 23006, 46012, 80521, 161042, 322084, 701683, 1403366, 2806732, 4911781, 9823562, 19647124]

約数ペア:

[(1, 19647124), (2, 9823562), (4, 4911781), (7, 2806732), (14, 1403366), (28, 701683), (61, 322084), (122, 161042), (244, 80521), (427, 46012), (854, 23006), (1708, 11503)]