19691460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{109397}}^1$

素因数の和:109412

約数の個数: 36

約数和(自身を含む): 59731308

約数和(自身を除く): 40039848

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 109397, 218794, 328191, 437588, 546985, 656382, 984573, 1093970, 1312764, 1640955, 1969146, 2187940, 3281910, 3938292, 4922865, 6563820, 9845730, 19691460]

約数ペア:

[(1, 19691460), (2, 9845730), (3, 6563820), (4, 4922865), (5, 3938292), (6, 3281910), (9, 2187940), (10, 1969146), (12, 1640955), (15, 1312764), (18, 1093970), (20, 984573), (30, 656382), (36, 546985), (45, 437588), (60, 328191), (90, 218794), (180, 109397)]