19299880

素因数分解:

$2^3\times 5^1\times {\mathrm{173}}^1\times {\mathrm{2789}}^1$

素因数の和:2973

約数の個数: 32

約数和(自身を含む): 43691400

約数和(自身を除く): 24391520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 173, 346, 692, 865, 1384, 1730, 2789, 3460, 5578, 6920, 11156, 13945, 22312, 27890, 55780, 111560, 482497, 964994, 1929988, 2412485, 3859976, 4824970, 9649940, 19299880]

約数ペア:

[(1, 19299880), (2, 9649940), (4, 4824970), (5, 3859976), (8, 2412485), (10, 1929988), (20, 964994), (40, 482497), (173, 111560), (346, 55780), (692, 27890), (865, 22312), (1384, 13945), (1730, 11156), (2789, 6920), (3460, 5578)]