19786868

素因数分解:

$2^2\times {\mathrm{83}}^1\times {\mathrm{107}}^1\times {\mathrm{557}}^1$

素因数の和:751

約数の個数: 24

約数和(自身を含む): 35435232

約数和(自身を除く): 15648364

約数列:

[1, 2, 4, 83, 107, 166, 214, 332, 428, 557, 1114, 2228, 8881, 17762, 35524, 46231, 59599, 92462, 119198, 184924, 238396, 4946717, 9893434, 19786868]

約数ペア:

[(1, 19786868), (2, 9893434), (4, 4946717), (83, 238396), (107, 184924), (166, 119198), (214, 92462), (332, 59599), (428, 46231), (557, 35524), (1114, 17762), (2228, 8881)]