17888420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{4783}}^1$

素因数の和:4820

約数の個数: 48

約数和(自身を含む): 43400448

約数和(自身を除く): 25512028

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 44, 55, 68, 85, 110, 170, 187, 220, 340, 374, 748, 935, 1870, 3740, 4783, 9566, 19132, 23915, 47830, 52613, 81311, 95660, 105226, 162622, 210452, 263065, 325244, 406555, 526130, 813110, 894421, 1052260, 1626220, 1788842, 3577684, 4472105, 8944210, 17888420]

約数ペア:

[(1, 17888420), (2, 8944210), (4, 4472105), (5, 3577684), (10, 1788842), (11, 1626220), (17, 1052260), (20, 894421), (22, 813110), (34, 526130), (44, 406555), (55, 325244), (68, 263065), (85, 210452), (110, 162622), (170, 105226), (187, 95660), (220, 81311), (340, 52613), (374, 47830), (748, 23915), (935, 19132), (1870, 9566), (3740, 4783)]