19990938

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{499}}^1\times {\mathrm{607}}^1$

素因数の和:1122

約数の個数: 32

約数和(自身を含む): 43776000

約数和(自身を除く): 23785062

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 499, 607, 998, 1214, 1497, 1821, 2994, 3642, 5489, 6677, 10978, 13354, 16467, 20031, 32934, 40062, 302893, 605786, 908679, 1817358, 3331823, 6663646, 9995469, 19990938]

約数ペア:

[(1, 19990938), (2, 9995469), (3, 6663646), (6, 3331823), (11, 1817358), (22, 908679), (33, 605786), (66, 302893), (499, 40062), (607, 32934), (998, 20031), (1214, 16467), (1497, 13354), (1821, 10978), (2994, 6677), (3642, 5489)]