19921730

素因数分解:

$2^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{12689}}^1$

素因数の和:12853

約数の個数: 16

約数和(自身を含む): 36090360

約数和(自身を除く): 16168630

約数列:

[1, 2, 5, 10, 157, 314, 785, 1570, 12689, 25378, 63445, 126890, 1992173, 3984346, 9960865, 19921730]

約数ペア:

[(1, 19921730), (2, 9960865), (5, 3984346), (10, 1992173), (157, 126890), (314, 63445), (785, 25378), (1570, 12689)]