18886520

素因数分解:

$2^3\times 5^1\times {\mathrm{472163}}^1$

素因数の和:472174

約数の個数: 16

約数和(自身を含む): 42494760

約数和(自身を除く): 23608240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 472163, 944326, 1888652, 2360815, 3777304, 4721630, 9443260, 18886520]

約数ペア:

[(1, 18886520), (2, 9443260), (4, 4721630), (5, 3777304), (8, 2360815), (10, 1888652), (20, 944326), (40, 472163)]