1900494020

素因数分解:

$2^2\times 5^1\times {\mathrm{509}}^1\times {\mathrm{186689}}^1$

素因数の和:187207

約数の個数: 24

約数和(自身を含む): 3998899800

約数和(自身を除く): 2098405780

約数列:

[1, 2, 4, 5, 10, 20, 509, 1018, 2036, 2545, 5090, 10180, 186689, 373378, 746756, 933445, 1866890, 3733780, 95024701, 190049402, 380098804, 475123505, 950247010, 1900494020]

約数ペア:

[(1, 1900494020), (2, 950247010), (4, 475123505), (5, 380098804), (10, 190049402), (20, 95024701), (509, 3733780), (1018, 1866890), (2036, 933445), (2545, 746756), (5090, 373378), (10180, 186689)]