19618436

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{1867}}^1$

素因数の和:1979

約数の個数: 24

約数和(自身を含む): 35775936

約数和(自身を除く): 16157500

約数列:

[1, 2, 4, 37, 71, 74, 142, 148, 284, 1867, 2627, 3734, 5254, 7468, 10508, 69079, 132557, 138158, 265114, 276316, 530228, 4904609, 9809218, 19618436]

約数ペア:

[(1, 19618436), (2, 9809218), (4, 4904609), (37, 530228), (71, 276316), (74, 265114), (142, 138158), (148, 132557), (284, 69079), (1867, 10508), (2627, 7468), (3734, 5254)]