19802988

素因数分解:

$2^2\times 3^3\times {\mathrm{183361}}^1$

素因数の和:183374

約数の個数: 24

約数和(自身を含む): 51341360

約数和(自身を除く): 31538372

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 183361, 366722, 550083, 733444, 1100166, 1650249, 2200332, 3300498, 4950747, 6600996, 9901494, 19802988]

約数ペア:

[(1, 19802988), (2, 9901494), (3, 6600996), (4, 4950747), (6, 3300498), (9, 2200332), (12, 1650249), (18, 1100166), (27, 733444), (36, 550083), (54, 366722), (108, 183361)]