19891039974

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{2007979}}^1$

素因数の和:2008124

約数の個数: 32

約数和(自身を含む): 43179601920

約数和(自身を除く): 23288561946

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 127, 254, 381, 762, 1651, 3302, 4953, 9906, 2007979, 4015958, 6023937, 12047874, 26103727, 52207454, 78311181, 156622362, 255013333, 510026666, 765039999, 1530079998, 3315173329, 6630346658, 9945519987, 19891039974]

約数ペア:

[(1, 19891039974), (2, 9945519987), (3, 6630346658), (6, 3315173329), (13, 1530079998), (26, 765039999), (39, 510026666), (78, 255013333), (127, 156622362), (254, 78311181), (381, 52207454), (762, 26103727), (1651, 12047874), (3302, 6023937), (4953, 4015958), (9906, 2007979)]