19776908

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{83}}^1\times {\mathrm{839}}^1$

素因数の和:997

約数の個数: 24

約数和(自身を含む): 35562240

約数和(自身を除く): 15785332

約数列:

[1, 2, 4, 71, 83, 142, 166, 284, 332, 839, 1678, 3356, 5893, 11786, 23572, 59569, 69637, 119138, 139274, 238276, 278548, 4944227, 9888454, 19776908]

約数ペア:

[(1, 19776908), (2, 9888454), (4, 4944227), (71, 278548), (83, 238276), (142, 139274), (166, 119138), (284, 69637), (332, 59569), (839, 23572), (1678, 11786), (3356, 5893)]