1821981724

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{11783}}^1$

素因数の和:11890

約数の個数: 48

約数和(自身を含む): 3484293120

約数和(自身を除く): 1662311396

約数列:

[1, 2, 4, 29, 31, 43, 58, 62, 86, 116, 124, 172, 899, 1247, 1333, 1798, 2494, 2666, 3596, 4988, 5332, 11783, 23566, 38657, 47132, 77314, 154628, 341707, 365273, 506669, 683414, 730546, 1013338, 1366828, 1461092, 2026676, 10592917, 14693401, 15706739, 21185834, 29386802, 31413478, 42371668, 58773604, 62826956, 455495431, 910990862, 1821981724]

約数ペア:

[(1, 1821981724), (2, 910990862), (4, 455495431), (29, 62826956), (31, 58773604), (43, 42371668), (58, 31413478), (62, 29386802), (86, 21185834), (116, 15706739), (124, 14693401), (172, 10592917), (899, 2026676), (1247, 1461092), (1333, 1366828), (1798, 1013338), (2494, 730546), (2666, 683414), (3596, 506669), (4988, 365273), (5332, 341707), (11783, 154628), (23566, 77314), (38657, 47132)]