18774774

素因数分解:

$2^1\times 3^3\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{631}}^1$

素因数の和:690

約数の個数: 64

約数和(自身を含む): 45504000

約数和(自身を除く): 26729226

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 29, 38, 54, 57, 58, 87, 114, 171, 174, 261, 342, 513, 522, 551, 631, 783, 1026, 1102, 1262, 1566, 1653, 1893, 3306, 3786, 4959, 5679, 9918, 11358, 11989, 14877, 17037, 18299, 23978, 29754, 34074, 35967, 36598, 54897, 71934, 107901, 109794, 164691, 215802, 323703, 329382, 347681, 494073, 647406, 695362, 988146, 1043043, 2086086, 3129129, 6258258, 9387387, 18774774]

約数ペア:

[(1, 18774774), (2, 9387387), (3, 6258258), (6, 3129129), (9, 2086086), (18, 1043043), (19, 988146), (27, 695362), (29, 647406), (38, 494073), (54, 347681), (57, 329382), (58, 323703), (87, 215802), (114, 164691), (171, 109794), (174, 107901), (261, 71934), (342, 54897), (513, 36598), (522, 35967), (551, 34074), (631, 29754), (783, 23978), (1026, 18299), (1102, 17037), (1262, 14877), (1566, 11989), (1653, 11358), (1893, 9918), (3306, 5679), (3786, 4959)]