18438416

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{16231}}^1$

素因数の和:16310

約数の個数: 20

約数和(自身を含む): 36229824

約数和(自身を除く): 17791408

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 568, 1136, 16231, 32462, 64924, 129848, 259696, 1152401, 2304802, 4609604, 9219208, 18438416]

約数ペア:

[(1, 18438416), (2, 9219208), (4, 4609604), (8, 2304802), (16, 1152401), (71, 259696), (142, 129848), (284, 64924), (568, 32462), (1136, 16231)]