18852296988680

素因数分解:

$2^3\times 5^1\times {\mathrm{431}}^1\times {\mathrm{1093520707}}^1$

素因数の和:1093521149

約数の個数: 32

約数和(自身を含む): 42516085127040

約数和(自身を除く): 23663788138360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 431, 862, 1724, 2155, 3448, 4310, 8620, 17240, 1093520707, 2187041414, 4374082828, 5467603535, 8748165656, 10935207070, 21870414140, 43740828280, 471307424717, 942614849434, 1885229698868, 2356537123585, 3770459397736, 4713074247170, 9426148494340, 18852296988680]

約数ペア:

[(1, 18852296988680), (2, 9426148494340), (4, 4713074247170), (5, 3770459397736), (8, 2356537123585), (10, 1885229698868), (20, 942614849434), (40, 471307424717), (431, 43740828280), (862, 21870414140), (1724, 10935207070), (2155, 8748165656), (3448, 5467603535), (4310, 4374082828), (8620, 2187041414), (17240, 1093520707)]