18557630

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{20393}}^1$

素因数の和:20420

約数の個数: 32

約数和(自身を含む): 41114304

約数和(自身を除く): 22556674

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 20393, 40786, 101965, 142751, 203930, 265109, 285502, 530218, 713755, 1325545, 1427510, 1855763, 2651090, 3711526, 9278815, 18557630]

約数ペア:

[(1, 18557630), (2, 9278815), (5, 3711526), (7, 2651090), (10, 1855763), (13, 1427510), (14, 1325545), (26, 713755), (35, 530218), (65, 285502), (70, 265109), (91, 203930), (130, 142751), (182, 101965), (455, 40786), (910, 20393)]