19972510

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{86837}}^1$

素因数の和:86867

約数の個数: 16

約数和(自身を含む): 37514016

約数和(自身を除く): 17541506

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 86837, 173674, 434185, 868370, 1997251, 3994502, 9986255, 19972510]

約数ペア:

[(1, 19972510), (2, 9986255), (5, 3994502), (10, 1997251), (23, 868370), (46, 434185), (115, 173674), (230, 86837)]