19810512

素因数分解:

$2^4\times 3^2\times {\mathrm{137573}}^1$

素因数の和:137587

約数の個数: 30

約数和(自身を含む): 55442322

約数和(自身を除く): 35631810

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 137573, 275146, 412719, 550292, 825438, 1100584, 1238157, 1650876, 2201168, 2476314, 3301752, 4952628, 6603504, 9905256, 19810512]

約数ペア:

[(1, 19810512), (2, 9905256), (3, 6603504), (4, 4952628), (6, 3301752), (8, 2476314), (9, 2201168), (12, 1650876), (16, 1238157), (18, 1100584), (24, 825438), (36, 550292), (48, 412719), (72, 275146), (144, 137573)]