18316868

素因数分解:

$2^2\times {\mathrm{73}}^1\times {\mathrm{149}}^1\times {\mathrm{421}}^1$

素因数の和:647

約数の個数: 24

約数和(自身を含む): 32789400

約数和(自身を除く): 14472532

約数列:

[1, 2, 4, 73, 146, 149, 292, 298, 421, 596, 842, 1684, 10877, 21754, 30733, 43508, 61466, 62729, 122932, 125458, 250916, 4579217, 9158434, 18316868]

約数ペア:

[(1, 18316868), (2, 9158434), (4, 4579217), (73, 250916), (146, 125458), (149, 122932), (292, 62729), (298, 61466), (421, 43508), (596, 30733), (842, 21754), (1684, 10877)]