19519071

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{263}}^1$

素因数の和:463

約数の個数: 32

約数和(自身を含む): 30868992

約数和(自身を除く): 11349921

約数列:

[1, 3, 11, 13, 33, 39, 143, 173, 263, 429, 519, 789, 1903, 2249, 2893, 3419, 5709, 6747, 8679, 10257, 24739, 37609, 45499, 74217, 112827, 136497, 500489, 591487, 1501467, 1774461, 6506357, 19519071]

約数ペア:

[(1, 19519071), (3, 6506357), (11, 1774461), (13, 1501467), (33, 591487), (39, 500489), (143, 136497), (173, 112827), (263, 74217), (429, 45499), (519, 37609), (789, 24739), (1903, 10257), (2249, 8679), (2893, 6747), (3419, 5709)]