19900008

素因数分解:

$2^3\times 3^2\times {\mathrm{276389}}^1$

素因数の和:276401

約数の個数: 24

約数和(自身を含む): 53896050

約数和(自身を除く): 33996042

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 276389, 552778, 829167, 1105556, 1658334, 2211112, 2487501, 3316668, 4975002, 6633336, 9950004, 19900008]

約数ペア:

[(1, 19900008), (2, 9950004), (3, 6633336), (4, 4975002), (6, 3316668), (8, 2487501), (9, 2211112), (12, 1658334), (18, 1105556), (24, 829167), (36, 552778), (72, 276389)]