19608380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{4691}}^1$

素因数の和:4730

約数の個数: 48

約数和(自身を含む): 47295360

約数和(自身を除く): 27686980

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 380, 418, 836, 1045, 2090, 4180, 4691, 9382, 18764, 23455, 46910, 51601, 89129, 93820, 103202, 178258, 206404, 258005, 356516, 445645, 516010, 891290, 980419, 1032020, 1782580, 1960838, 3921676, 4902095, 9804190, 19608380]

約数ペア:

[(1, 19608380), (2, 9804190), (4, 4902095), (5, 3921676), (10, 1960838), (11, 1782580), (19, 1032020), (20, 980419), (22, 891290), (38, 516010), (44, 445645), (55, 356516), (76, 258005), (95, 206404), (110, 178258), (190, 103202), (209, 93820), (220, 89129), (380, 51601), (418, 46910), (836, 23455), (1045, 18764), (2090, 9382), (4180, 4691)]