19814938

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{877}}^1$

素因数の和:982

約数の個数: 32

約数和(自身を含む): 35400960

約数和(自身を除く): 15586022

約数列:

[1, 2, 11, 13, 22, 26, 79, 143, 158, 286, 869, 877, 1027, 1738, 1754, 2054, 9647, 11297, 11401, 19294, 22594, 22802, 69283, 125411, 138566, 250822, 762113, 900679, 1524226, 1801358, 9907469, 19814938]

約数ペア:

[(1, 19814938), (2, 9907469), (11, 1801358), (13, 1524226), (22, 900679), (26, 762113), (79, 250822), (143, 138566), (158, 125411), (286, 69283), (869, 22802), (877, 22594), (1027, 19294), (1738, 11401), (1754, 11297), (2054, 9647)]