18708965

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{10973}}^1$

素因数の和:11020

約数の個数: 16

約数和(自身を含む): 25284096

約数和(自身を除く): 6575131

約数列:

[1, 5, 11, 31, 55, 155, 341, 1705, 10973, 54865, 120703, 340163, 603515, 1700815, 3741793, 18708965]

約数ペア:

[(1, 18708965), (5, 3741793), (11, 1700815), (31, 603515), (55, 340163), (155, 120703), (341, 54865), (1705, 10973)]