19364560

素因数分解:

$2^4\times 5^1\times {\mathrm{242057}}^1$

素因数の和:242070

約数の個数: 20

約数和(自身を含む): 45022788

約数和(自身を除く): 25658228

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 242057, 484114, 968228, 1210285, 1936456, 2420570, 3872912, 4841140, 9682280, 19364560]

約数ペア:

[(1, 19364560), (2, 9682280), (4, 4841140), (5, 3872912), (8, 2420570), (10, 1936456), (16, 1210285), (20, 968228), (40, 484114), (80, 242057)]