20181390987

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{677}}^1\times {\mathrm{6301}}^1$

素因数の和:7083

約数の個数: 32

約数和(自身を含む): 28712920320

約数和(自身を除く): 8531529333

約数列:

[1, 3, 19, 57, 83, 249, 677, 1577, 2031, 4731, 6301, 12863, 18903, 38589, 56191, 119719, 168573, 359157, 522983, 1067629, 1568949, 3202887, 4265777, 9936677, 12797331, 29810031, 81049763, 243149289, 354059491, 1062178473, 6727130329, 20181390987]

約数ペア:

[(1, 20181390987), (3, 6727130329), (19, 1062178473), (57, 354059491), (83, 243149289), (249, 81049763), (677, 29810031), (1577, 12797331), (2031, 9936677), (4731, 4265777), (6301, 3202887), (12863, 1568949), (18903, 1067629), (38589, 522983), (56191, 359157), (119719, 168573)]