19869993

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{15439}}^1$

素因数の和:15469

約数の個数: 24

約数和(自身を含む): 33720960

約数和(自身を除く): 13850967

約数列:

[1, 3, 9, 11, 13, 33, 39, 99, 117, 143, 429, 1287, 15439, 46317, 138951, 169829, 200707, 509487, 602121, 1528461, 1806363, 2207777, 6623331, 19869993]

約数ペア:

[(1, 19869993), (3, 6623331), (9, 2207777), (11, 1806363), (13, 1528461), (33, 602121), (39, 509487), (99, 200707), (117, 169829), (143, 138951), (429, 46317), (1287, 15439)]