18557128

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{883}}^1$

素因数の和:997

約数の個数: 32

約数和(自身を含む): 36279360

約数和(自身を除く): 17722232

約数列:

[1, 2, 4, 8, 37, 71, 74, 142, 148, 284, 296, 568, 883, 1766, 2627, 3532, 5254, 7064, 10508, 21016, 32671, 62693, 65342, 125386, 130684, 250772, 261368, 501544, 2319641, 4639282, 9278564, 18557128]

約数ペア:

[(1, 18557128), (2, 9278564), (4, 4639282), (8, 2319641), (37, 501544), (71, 261368), (74, 250772), (142, 130684), (148, 125386), (284, 65342), (296, 62693), (568, 32671), (883, 21016), (1766, 10508), (2627, 7064), (3532, 5254)]