18043938

素因数分解:

$2^1\times 3^3\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{821}}^1$

素因数の和:880

約数の個数: 64

約数和(自身を含む): 44979840

約数和(自身を除く): 26935902

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 27, 33, 37, 54, 66, 74, 99, 111, 198, 222, 297, 333, 407, 594, 666, 814, 821, 999, 1221, 1642, 1998, 2442, 2463, 3663, 4926, 7326, 7389, 9031, 10989, 14778, 18062, 21978, 22167, 27093, 30377, 44334, 54186, 60754, 81279, 91131, 162558, 182262, 243837, 273393, 334147, 487674, 546786, 668294, 820179, 1002441, 1640358, 2004882, 3007323, 6014646, 9021969, 18043938]

約数ペア:

[(1, 18043938), (2, 9021969), (3, 6014646), (6, 3007323), (9, 2004882), (11, 1640358), (18, 1002441), (22, 820179), (27, 668294), (33, 546786), (37, 487674), (54, 334147), (66, 273393), (74, 243837), (99, 182262), (111, 162558), (198, 91131), (222, 81279), (297, 60754), (333, 54186), (407, 44334), (594, 30377), (666, 27093), (814, 22167), (821, 21978), (999, 18062), (1221, 14778), (1642, 10989), (1998, 9031), (2442, 7389), (2463, 7326), (3663, 4926)]