18418868138

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{61}}^2\times {\mathrm{71}}^1\times {\mathrm{3169}}^1$

素因数の和:3375

約数の個数: 48

約数和(自身を含む): 31083549120

約数和(自身を除く): 12664680982

約数列:

[1, 2, 11, 22, 61, 71, 122, 142, 671, 781, 1342, 1562, 3169, 3721, 4331, 6338, 7442, 8662, 34859, 40931, 47641, 69718, 81862, 95282, 193309, 224999, 264191, 386618, 449998, 528382, 2126399, 2474989, 2906101, 4252798, 4949978, 5812202, 11791849, 13724939, 23583698, 27449878, 129710339, 150974329, 259420678, 301948658, 837221279, 1674442558, 9209434069, 18418868138]

約数ペア:

[(1, 18418868138), (2, 9209434069), (11, 1674442558), (22, 837221279), (61, 301948658), (71, 259420678), (122, 150974329), (142, 129710339), (671, 27449878), (781, 23583698), (1342, 13724939), (1562, 11791849), (3169, 5812202), (3721, 4949978), (4331, 4252798), (6338, 2906101), (7442, 2474989), (8662, 2126399), (34859, 528382), (40931, 449998), (47641, 386618), (69718, 264191), (81862, 224999), (95282, 193309)]