18427644

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{929}}^1$

素因数の和:987

約数の個数: 72

約数和(自身を含む): 50778000

約数和(自身を除く): 32350356

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 29, 36, 38, 57, 58, 76, 87, 114, 116, 171, 174, 228, 261, 342, 348, 522, 551, 684, 929, 1044, 1102, 1653, 1858, 2204, 2787, 3306, 3716, 4959, 5574, 6612, 8361, 9918, 11148, 16722, 17651, 19836, 26941, 33444, 35302, 52953, 53882, 70604, 80823, 105906, 107764, 158859, 161646, 211812, 242469, 317718, 323292, 484938, 511879, 635436, 969876, 1023758, 1535637, 2047516, 3071274, 4606911, 6142548, 9213822, 18427644]

約数ペア:

[(1, 18427644), (2, 9213822), (3, 6142548), (4, 4606911), (6, 3071274), (9, 2047516), (12, 1535637), (18, 1023758), (19, 969876), (29, 635436), (36, 511879), (38, 484938), (57, 323292), (58, 317718), (76, 242469), (87, 211812), (114, 161646), (116, 158859), (171, 107764), (174, 105906), (228, 80823), (261, 70604), (342, 53882), (348, 52953), (522, 35302), (551, 33444), (684, 26941), (929, 19836), (1044, 17651), (1102, 16722), (1653, 11148), (1858, 9918), (2204, 8361), (2787, 6612), (3306, 5574), (3716, 4959)]