18913234081

素因数分解:

$7^2\times {\mathrm{109}}^1\times {\mathrm{127}}^1\times {\mathrm{27883}}^1$

素因数の和:28133

約数の個数: 24

約数和(自身を含む): 22378583040

約数和(自身を除く): 3465348959

約数列:

[1, 7, 49, 109, 127, 763, 889, 5341, 6223, 13843, 27883, 96901, 195181, 678307, 1366267, 3039247, 3541141, 21274729, 24787987, 148923103, 173515909, 385984369, 2701890583, 18913234081]

約数ペア:

[(1, 18913234081), (7, 2701890583), (49, 385984369), (109, 173515909), (127, 148923103), (763, 24787987), (889, 21274729), (5341, 3541141), (6223, 3039247), (13843, 1366267), (27883, 678307), (96901, 195181)]