19782282

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{1997}}^1$

素因数の和:2142

約数の個数: 32

約数和(自身を含む): 42964992

約数和(自身を除く): 23182710

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 127, 254, 381, 762, 1651, 1997, 3302, 3994, 4953, 5991, 9906, 11982, 25961, 51922, 77883, 155766, 253619, 507238, 760857, 1521714, 3297047, 6594094, 9891141, 19782282]

約数ペア:

[(1, 19782282), (2, 9891141), (3, 6594094), (6, 3297047), (13, 1521714), (26, 760857), (39, 507238), (78, 253619), (127, 155766), (254, 77883), (381, 51922), (762, 25961), (1651, 11982), (1997, 9906), (3302, 5991), (3994, 4953)]