19864156628

素因数分解:

$2^2\times {\mathrm{137}}^1\times {\mathrm{4673}}^1\times {\mathrm{7757}}^1$

素因数の和:12571

約数の個数: 24

約数和(自身を含む): 35028021672

約数和(自身を除く): 15163865044

約数列:

[1, 2, 4, 137, 274, 548, 4673, 7757, 9346, 15514, 18692, 31028, 640201, 1062709, 1280402, 2125418, 2560804, 4250836, 36248461, 72496922, 144993844, 4966039157, 9932078314, 19864156628]

約数ペア:

[(1, 19864156628), (2, 9932078314), (4, 4966039157), (137, 144993844), (274, 72496922), (548, 36248461), (4673, 4250836), (7757, 2560804), (9346, 2125418), (15514, 1280402), (18692, 1062709), (31028, 640201)]