18042633

素因数分解:

$3^2\times 7^2\times {\mathrm{163}}^1\times {\mathrm{251}}^1$

素因数の和:434

約数の個数: 36

約数和(自身を含む): 30624048

約数和(自身を除く): 12581415

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 163, 251, 441, 489, 753, 1141, 1467, 1757, 2259, 3423, 5271, 7987, 10269, 12299, 15813, 23961, 36897, 40913, 71883, 110691, 122739, 286391, 368217, 859173, 2004737, 2577519, 6014211, 18042633]

約数ペア:

[(1, 18042633), (3, 6014211), (7, 2577519), (9, 2004737), (21, 859173), (49, 368217), (63, 286391), (147, 122739), (163, 110691), (251, 71883), (441, 40913), (489, 36897), (753, 23961), (1141, 15813), (1467, 12299), (1757, 10269), (2259, 7987), (3423, 5271)]