1821996

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1$

素因数の和:171

約数の個数: 72

約数和(自身を含む): 5189184

約数和(自身を除く): 3367188

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 43, 44, 66, 86, 99, 107, 129, 132, 172, 198, 214, 258, 321, 387, 396, 428, 473, 516, 642, 774, 946, 963, 1177, 1284, 1419, 1548, 1892, 1926, 2354, 2838, 3531, 3852, 4257, 4601, 4708, 5676, 7062, 8514, 9202, 10593, 13803, 14124, 17028, 18404, 21186, 27606, 41409, 42372, 50611, 55212, 82818, 101222, 151833, 165636, 202444, 303666, 455499, 607332, 910998, 1821996]

約数ペア:

[(1, 1821996), (2, 910998), (3, 607332), (4, 455499), (6, 303666), (9, 202444), (11, 165636), (12, 151833), (18, 101222), (22, 82818), (33, 55212), (36, 50611), (43, 42372), (44, 41409), (66, 27606), (86, 21186), (99, 18404), (107, 17028), (129, 14124), (132, 13803), (172, 10593), (198, 9202), (214, 8514), (258, 7062), (321, 5676), (387, 4708), (396, 4601), (428, 4257), (473, 3852), (516, 3531), (642, 2838), (774, 2354), (946, 1926), (963, 1892), (1177, 1548), (1284, 1419)]