18812570

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{38393}}^1$

素因数の和:38414

約数の個数: 24

約数和(自身を含む): 39392244

約数和(自身を除く): 20579674

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 38393, 76786, 191965, 268751, 383930, 537502, 1343755, 1881257, 2687510, 3762514, 9406285, 18812570]

約数ペア:

[(1, 18812570), (2, 9406285), (5, 3762514), (7, 2687510), (10, 1881257), (14, 1343755), (35, 537502), (49, 383930), (70, 268751), (98, 191965), (245, 76786), (490, 38393)]