19378990

素因数分解:

$2^1\times 5^1\times {\mathrm{227}}^1\times {\mathrm{8537}}^1$

素因数の和:8771

約数の個数: 16

約数和(自身を含む): 35039952

約数和(自身を除く): 15660962

約数列:

[1, 2, 5, 10, 227, 454, 1135, 2270, 8537, 17074, 42685, 85370, 1937899, 3875798, 9689495, 19378990]

約数ペア:

[(1, 19378990), (2, 9689495), (5, 3875798), (10, 1937899), (227, 85370), (454, 42685), (1135, 17074), (2270, 8537)]