19660418401

素因数分解:

${\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1\times {\mathrm{173}}^1\times {\mathrm{1031}}^1$

素因数の和:1417

約数の個数: 32

約数和(自身を含む): 21821103360

約数和(自身を除く): 2160684959

約数列:

[1, 13, 61, 139, 173, 793, 1031, 1807, 2249, 8479, 10553, 13403, 24047, 62891, 110227, 137189, 143309, 178363, 312611, 817583, 1466867, 1863017, 2318719, 8741849, 10880143, 19069271, 24792457, 113644037, 141441859, 322301941, 1512339877, 19660418401]

約数ペア:

[(1, 19660418401), (13, 1512339877), (61, 322301941), (139, 141441859), (173, 113644037), (793, 24792457), (1031, 19069271), (1807, 10880143), (2249, 8741849), (8479, 2318719), (10553, 1863017), (13403, 1466867), (24047, 817583), (62891, 312611), (110227, 178363), (137189, 143309)]