19899504

素因数分解:

$2^4\times 3^2\times {\mathrm{138191}}^1$

素因数の和:138205

約数の個数: 30

約数和(自身を含む): 55691376

約数和(自身を除く): 35791872

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 138191, 276382, 414573, 552764, 829146, 1105528, 1243719, 1658292, 2211056, 2487438, 3316584, 4974876, 6633168, 9949752, 19899504]

約数ペア:

[(1, 19899504), (2, 9949752), (3, 6633168), (4, 4974876), (6, 3316584), (8, 2487438), (9, 2211056), (12, 1658292), (16, 1243719), (18, 1105528), (24, 829146), (36, 552764), (48, 414573), (72, 276382), (144, 138191)]