19729122380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1033}}^1\times {\mathrm{86813}}^1$

素因数の和:87866

約数の個数: 48

約数和(自身を含む): 45241900704

約数和(自身を除く): 25512778324

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 1033, 2066, 4132, 5165, 10330, 11363, 20660, 22726, 45452, 56815, 86813, 113630, 173626, 227260, 347252, 434065, 868130, 954943, 1736260, 1909886, 3819772, 4774715, 9549430, 19098860, 89677829, 179355658, 358711316, 448389145, 896778290, 986456119, 1793556580, 1972912238, 3945824476, 4932280595, 9864561190, 19729122380]

約数ペア:

[(1, 19729122380), (2, 9864561190), (4, 4932280595), (5, 3945824476), (10, 1972912238), (11, 1793556580), (20, 986456119), (22, 896778290), (44, 448389145), (55, 358711316), (110, 179355658), (220, 89677829), (1033, 19098860), (2066, 9549430), (4132, 4774715), (5165, 3819772), (10330, 1909886), (11363, 1736260), (20660, 954943), (22726, 868130), (45452, 434065), (56815, 347252), (86813, 227260), (113630, 173626)]