9891970

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{4733}}^1$

素因数の和:4770

約数の個数: 32

約数和(自身を含む): 20450880

約数和(自身を除く): 10558910

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 95, 110, 190, 209, 418, 1045, 2090, 4733, 9466, 23665, 47330, 52063, 89927, 104126, 179854, 260315, 449635, 520630, 899270, 989197, 1978394, 4945985, 9891970]

約数ペア:

[(1, 9891970), (2, 4945985), (5, 1978394), (10, 989197), (11, 899270), (19, 520630), (22, 449635), (38, 260315), (55, 179854), (95, 104126), (110, 89927), (190, 52063), (209, 47330), (418, 23665), (1045, 9466), (2090, 4733)]