19788012

素因数分解:

$2^2\times 3^2\times {\mathrm{549667}}^1$

素因数の和:549677

約数の個数: 18

約数和(自身を含む): 50019788

約数和(自身を除く): 30231776

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 549667, 1099334, 1649001, 2198668, 3298002, 4947003, 6596004, 9894006, 19788012]

約数ペア:

[(1, 19788012), (2, 9894006), (3, 6596004), (4, 4947003), (6, 3298002), (9, 2198668), (12, 1649001), (18, 1099334), (36, 549667)]