18653844

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{443}}^1$

素因数の和:501

約数の個数: 72

約数和(自身を含む): 49603680

約数和(自身を除く): 30949836

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 29, 33, 44, 58, 66, 87, 116, 121, 132, 174, 242, 319, 348, 363, 443, 484, 638, 726, 886, 957, 1276, 1329, 1452, 1772, 1914, 2658, 3509, 3828, 4873, 5316, 7018, 9746, 10527, 12847, 14036, 14619, 19492, 21054, 25694, 29238, 38541, 42108, 51388, 53603, 58476, 77082, 107206, 141317, 154164, 160809, 214412, 282634, 321618, 423951, 565268, 643236, 847902, 1554487, 1695804, 3108974, 4663461, 6217948, 9326922, 18653844]

約数ペア:

[(1, 18653844), (2, 9326922), (3, 6217948), (4, 4663461), (6, 3108974), (11, 1695804), (12, 1554487), (22, 847902), (29, 643236), (33, 565268), (44, 423951), (58, 321618), (66, 282634), (87, 214412), (116, 160809), (121, 154164), (132, 141317), (174, 107206), (242, 77082), (319, 58476), (348, 53603), (363, 51388), (443, 42108), (484, 38541), (638, 29238), (726, 25694), (886, 21054), (957, 19492), (1276, 14619), (1329, 14036), (1452, 12847), (1772, 10527), (1914, 9746), (2658, 7018), (3509, 5316), (3828, 4873)]