18441320

素因数分解:

$2^3\times 5^1\times {\mathrm{241}}^1\times {\mathrm{1913}}^1$

素因数の和:2165

約数の個数: 32

約数和(自身を含む): 41686920

約数和(自身を除く): 23245600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 241, 482, 964, 1205, 1913, 1928, 2410, 3826, 4820, 7652, 9565, 9640, 15304, 19130, 38260, 76520, 461033, 922066, 1844132, 2305165, 3688264, 4610330, 9220660, 18441320]

約数ペア:

[(1, 18441320), (2, 9220660), (4, 4610330), (5, 3688264), (8, 2305165), (10, 1844132), (20, 922066), (40, 461033), (241, 76520), (482, 38260), (964, 19130), (1205, 15304), (1913, 9640), (1928, 9565), (2410, 7652), (3826, 4820)]