18694694

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{257}}^1\times {\mathrm{983}}^1$

素因数の和:1279

約数の個数: 16

約数和(自身を含む): 28941408

約数和(自身を除く): 10246714

約数列:

[1, 2, 37, 74, 257, 514, 983, 1966, 9509, 19018, 36371, 72742, 252631, 505262, 9347347, 18694694]

約数ペア:

[(1, 18694694), (2, 9347347), (37, 505262), (74, 252631), (257, 72742), (514, 36371), (983, 19018), (1966, 9509)]