19644163

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{349}}^1$

素因数の和:427

約数の個数: 32

約数和(自身を含む): 26611200

約数和(自身を除く): 6967037

約数列:

[1, 7, 11, 17, 43, 77, 119, 187, 301, 349, 473, 731, 1309, 2443, 3311, 3839, 5117, 5933, 8041, 15007, 26873, 41531, 56287, 65263, 105049, 165077, 255119, 456841, 1155539, 1785833, 2806309, 19644163]

約数ペア:

[(1, 19644163), (7, 2806309), (11, 1785833), (17, 1155539), (43, 456841), (77, 255119), (119, 165077), (187, 105049), (301, 65263), (349, 56287), (473, 41531), (731, 26873), (1309, 15007), (2443, 8041), (3311, 5933), (3839, 5117)]