18192420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{211}}^1\times {\mathrm{479}}^1$

素因数の和:705

約数の個数: 72

約数和(自身を含む): 55560960

約数和(自身を除く): 37368540

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 211, 422, 479, 633, 844, 958, 1055, 1266, 1437, 1899, 1916, 2110, 2395, 2532, 2874, 3165, 3798, 4220, 4311, 4790, 5748, 6330, 7185, 7596, 8622, 9495, 9580, 12660, 14370, 17244, 18990, 21555, 28740, 37980, 43110, 86220, 101069, 202138, 303207, 404276, 505345, 606414, 909621, 1010690, 1212828, 1516035, 1819242, 2021380, 3032070, 3638484, 4548105, 6064140, 9096210, 18192420]

約数ペア:

[(1, 18192420), (2, 9096210), (3, 6064140), (4, 4548105), (5, 3638484), (6, 3032070), (9, 2021380), (10, 1819242), (12, 1516035), (15, 1212828), (18, 1010690), (20, 909621), (30, 606414), (36, 505345), (45, 404276), (60, 303207), (90, 202138), (180, 101069), (211, 86220), (422, 43110), (479, 37980), (633, 28740), (844, 21555), (958, 18990), (1055, 17244), (1266, 14370), (1437, 12660), (1899, 9580), (1916, 9495), (2110, 8622), (2395, 7596), (2532, 7185), (2874, 6330), (3165, 5748), (3798, 4790), (4220, 4311)]