19485477

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{617}}^1$

素因数の和:674

約数の個数: 36

約数和(自身を含む): 32055660

約数和(自身を除く): 12570183

約数列:

[1, 3, 9, 11, 29, 33, 87, 99, 121, 261, 319, 363, 617, 957, 1089, 1851, 2871, 3509, 5553, 6787, 10527, 17893, 20361, 31581, 53679, 61083, 74657, 161037, 196823, 223971, 590469, 671913, 1771407, 2165053, 6495159, 19485477]

約数ペア:

[(1, 19485477), (3, 6495159), (9, 2165053), (11, 1771407), (29, 671913), (33, 590469), (87, 223971), (99, 196823), (121, 161037), (261, 74657), (319, 61083), (363, 53679), (617, 31581), (957, 20361), (1089, 17893), (1851, 10527), (2871, 6787), (3509, 5553)]