16619396

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{139}}^1\times {\mathrm{421}}^1$

素因数の和:635

約数の個数: 24

約数和(自身を含む): 29776320

約数和(自身を除く): 13156924

約数列:

[1, 2, 4, 71, 139, 142, 278, 284, 421, 556, 842, 1684, 9869, 19738, 29891, 39476, 58519, 59782, 117038, 119564, 234076, 4154849, 8309698, 16619396]

約数ペア:

[(1, 16619396), (2, 8309698), (4, 4154849), (71, 234076), (139, 119564), (142, 117038), (278, 59782), (284, 58519), (421, 39476), (556, 29891), (842, 19738), (1684, 9869)]