18219033

素因数分解:

$3^3\times 7^2\times {\mathrm{47}}^1\times {\mathrm{293}}^1$

素因数の和:363

約数の個数: 48

約数和(自身を含む): 32175360

約数和(自身を除く): 13956327

約数列:

[1, 3, 7, 9, 21, 27, 47, 49, 63, 141, 147, 189, 293, 329, 423, 441, 879, 987, 1269, 1323, 2051, 2303, 2637, 2961, 6153, 6909, 7911, 8883, 13771, 14357, 18459, 20727, 41313, 43071, 55377, 62181, 96397, 123939, 129213, 289191, 371817, 387639, 674779, 867573, 2024337, 2602719, 6073011, 18219033]

約数ペア:

[(1, 18219033), (3, 6073011), (7, 2602719), (9, 2024337), (21, 867573), (27, 674779), (47, 387639), (49, 371817), (63, 289191), (141, 129213), (147, 123939), (189, 96397), (293, 62181), (329, 55377), (423, 43071), (441, 41313), (879, 20727), (987, 18459), (1269, 14357), (1323, 13771), (2051, 8883), (2303, 7911), (2637, 6909), (2961, 6153)]