19009718

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{701}}^1$

素因数の和:872

約数の個数: 32

約数和(自身を含む): 35380800

約数和(自身を除く): 16371082

約数列:

[1, 2, 7, 13, 14, 26, 91, 149, 182, 298, 701, 1043, 1402, 1937, 2086, 3874, 4907, 9113, 9814, 13559, 18226, 27118, 63791, 104449, 127582, 208898, 731143, 1357837, 1462286, 2715674, 9504859, 19009718]

約数ペア:

[(1, 19009718), (2, 9504859), (7, 2715674), (13, 1462286), (14, 1357837), (26, 731143), (91, 208898), (149, 127582), (182, 104449), (298, 63791), (701, 27118), (1043, 18226), (1402, 13559), (1937, 9814), (2086, 9113), (3874, 4907)]