2018197719

素因数分解:

$3^2\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{193}}^1\times {\mathrm{419}}^1$

素因数の和:724

約数の個数: 48

約数和(自身を含む): 3050611200

約数和(自身を除く): 1032413481

約数列:

[1, 3, 9, 47, 59, 141, 177, 193, 419, 423, 531, 579, 1257, 1737, 2773, 3771, 8319, 9071, 11387, 19693, 24721, 24957, 27213, 34161, 59079, 74163, 80867, 81639, 102483, 177237, 222489, 242601, 535189, 727803, 1161887, 1605567, 3485661, 3800749, 4771153, 4816701, 10456983, 11402247, 14313459, 34206741, 42940377, 224244191, 672732573, 2018197719]

約数ペア:

[(1, 2018197719), (3, 672732573), (9, 224244191), (47, 42940377), (59, 34206741), (141, 14313459), (177, 11402247), (193, 10456983), (419, 4816701), (423, 4771153), (531, 3800749), (579, 3485661), (1257, 1605567), (1737, 1161887), (2773, 727803), (3771, 535189), (8319, 242601), (9071, 222489), (11387, 177237), (19693, 102483), (24721, 81639), (24957, 80867), (27213, 74163), (34161, 59079)]