18643636

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{769}}^1$

素因数の和:832

約数の個数: 48

約数和(自身を含む): 38808000

約数和(自身を除く): 20164364

約数列:

[1, 2, 4, 11, 19, 22, 29, 38, 44, 58, 76, 116, 209, 319, 418, 551, 638, 769, 836, 1102, 1276, 1538, 2204, 3076, 6061, 8459, 12122, 14611, 16918, 22301, 24244, 29222, 33836, 44602, 58444, 89204, 160721, 245311, 321442, 423719, 490622, 642884, 847438, 981244, 1694876, 4660909, 9321818, 18643636]

約数ペア:

[(1, 18643636), (2, 9321818), (4, 4660909), (11, 1694876), (19, 981244), (22, 847438), (29, 642884), (38, 490622), (44, 423719), (58, 321442), (76, 245311), (116, 160721), (209, 89204), (319, 58444), (418, 44602), (551, 33836), (638, 29222), (769, 24244), (836, 22301), (1102, 16918), (1276, 14611), (1538, 12122), (2204, 8459), (3076, 6061)]