1998293330

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{907}}^1\times {\mathrm{20029}}^1$

素因数の和:20954

約数の個数: 32

約数和(自身を含む): 3928443840

約数和(自身を除く): 1930150510

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 907, 1814, 4535, 9070, 9977, 19954, 20029, 40058, 49885, 99770, 100145, 200290, 220319, 440638, 1101595, 2203190, 18166303, 36332606, 90831515, 181663030, 199829333, 399658666, 999146665, 1998293330]

約数ペア:

[(1, 1998293330), (2, 999146665), (5, 399658666), (10, 199829333), (11, 181663030), (22, 90831515), (55, 36332606), (110, 18166303), (907, 2203190), (1814, 1101595), (4535, 440638), (9070, 220319), (9977, 200290), (19954, 100145), (20029, 99770), (40058, 49885)]