18892816

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{16631}}^1$

素因数の和:16710

約数の個数: 20

約数和(自身を含む): 37122624

約数和(自身を除く): 18229808

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 568, 1136, 16631, 33262, 66524, 133048, 266096, 1180801, 2361602, 4723204, 9446408, 18892816]

約数ペア:

[(1, 18892816), (2, 9446408), (4, 4723204), (8, 2361602), (16, 1180801), (71, 266096), (142, 133048), (284, 66524), (568, 33262), (1136, 16631)]