19791848

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{727}}^1$

素因数の和:857

約数の個数: 32

約数和(自身を含む): 38525760

約数和(自身を除く): 18733912

約数列:

[1, 2, 4, 8, 41, 82, 83, 164, 166, 328, 332, 664, 727, 1454, 2908, 3403, 5816, 6806, 13612, 27224, 29807, 59614, 60341, 119228, 120682, 238456, 241364, 482728, 2473981, 4947962, 9895924, 19791848]

約数ペア:

[(1, 19791848), (2, 9895924), (4, 4947962), (8, 2473981), (41, 482728), (82, 241364), (83, 238456), (164, 120682), (166, 119228), (328, 60341), (332, 59614), (664, 29807), (727, 27224), (1454, 13612), (2908, 6806), (3403, 5816)]