12491930

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1$

素因数の和:219

約数の個数: 64

約数和(自身を含む): 26611200

約数和(自身を除く): 14119270

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 43, 55, 86, 95, 110, 139, 190, 209, 215, 278, 418, 430, 473, 695, 817, 946, 1045, 1390, 1529, 1634, 2090, 2365, 2641, 3058, 4085, 4730, 5282, 5977, 7645, 8170, 8987, 11954, 13205, 15290, 17974, 26410, 29051, 29885, 44935, 58102, 59770, 65747, 89870, 113563, 131494, 145255, 227126, 290510, 328735, 567815, 657470, 1135630, 1249193, 2498386, 6245965, 12491930]

約数ペア:

[(1, 12491930), (2, 6245965), (5, 2498386), (10, 1249193), (11, 1135630), (19, 657470), (22, 567815), (38, 328735), (43, 290510), (55, 227126), (86, 145255), (95, 131494), (110, 113563), (139, 89870), (190, 65747), (209, 59770), (215, 58102), (278, 44935), (418, 29885), (430, 29051), (473, 26410), (695, 17974), (817, 15290), (946, 13205), (1045, 11954), (1390, 8987), (1529, 8170), (1634, 7645), (2090, 5977), (2365, 5282), (2641, 4730), (3058, 4085)]