18075320

素因数分解:

$2^3\times 5^1\times {\mathrm{311}}^1\times {\mathrm{1453}}^1$

素因数の和:1775

約数の個数: 32

約数和(自身を含む): 40828320

約数和(自身を除く): 22753000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 311, 622, 1244, 1453, 1555, 2488, 2906, 3110, 5812, 6220, 7265, 11624, 12440, 14530, 29060, 58120, 451883, 903766, 1807532, 2259415, 3615064, 4518830, 9037660, 18075320]

約数ペア:

[(1, 18075320), (2, 9037660), (4, 4518830), (5, 3615064), (8, 2259415), (10, 1807532), (20, 903766), (40, 451883), (311, 58120), (622, 29060), (1244, 14530), (1453, 12440), (1555, 11624), (2488, 7265), (2906, 6220), (3110, 5812)]