1921567235318

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1\times {\mathrm{137}}^1\times {\mathrm{269}}^1\times {\mathrm{2803}}^1$

素因数の和:3413

約数の個数: 64

約数和(自身を含む): 2978849364480

約数和(自身を除く): 1057282129162

約数列:

[1, 2, 71, 131, 137, 142, 262, 269, 274, 538, 2803, 5606, 9301, 9727, 17947, 18602, 19099, 19454, 35239, 35894, 36853, 38198, 70478, 73706, 199013, 367193, 384011, 398026, 734386, 754007, 768022, 1274237, 1508014, 2501969, 2548474, 2616563, 4827743, 5003938, 5233126, 9655486, 26070703, 27264781, 50305441, 52141406, 53534497, 54529562, 98774917, 100610882, 103298959, 107068994, 197549834, 206597918, 342769753, 685539506, 3571686311, 7013019107, 7143372622, 7334226089, 13532163629, 14026038214, 14668452178, 27064327258, 960783617659, 1921567235318]

約数ペア:

[(1, 1921567235318), (2, 960783617659), (71, 27064327258), (131, 14668452178), (137, 14026038214), (142, 13532163629), (262, 7334226089), (269, 7143372622), (274, 7013019107), (538, 3571686311), (2803, 685539506), (5606, 342769753), (9301, 206597918), (9727, 197549834), (17947, 107068994), (18602, 103298959), (19099, 100610882), (19454, 98774917), (35239, 54529562), (35894, 53534497), (36853, 52141406), (38198, 50305441), (70478, 27264781), (73706, 26070703), (199013, 9655486), (367193, 5233126), (384011, 5003938), (398026, 4827743), (734386, 2616563), (754007, 2548474), (768022, 2501969), (1274237, 1508014)]