19915428718

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{34607}}^1$

素因数の和:34812

約数の個数: 32

約数和(自身を含む): 31284247680

約数和(自身を除く): 11368818962

約数列:

[1, 2, 53, 61, 89, 106, 122, 178, 3233, 4717, 5429, 6466, 9434, 10858, 34607, 69214, 287737, 575474, 1834171, 2111027, 3080023, 3668342, 4222054, 6160046, 111884431, 163241219, 187881403, 223768862, 326482438, 375762806, 9957714359, 19915428718]

約数ペア:

[(1, 19915428718), (2, 9957714359), (53, 375762806), (61, 326482438), (89, 223768862), (106, 187881403), (122, 163241219), (178, 111884431), (3233, 6160046), (4717, 4222054), (5429, 3668342), (6466, 3080023), (9434, 2111027), (10858, 1834171), (34607, 575474), (69214, 287737)]