19488932

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{163}}^1\times {\mathrm{421}}^1$

素因数の和:659

約数の個数: 24

約数和(自身を含む): 34880832

約数和(自身を除く): 15391900

約数列:

[1, 2, 4, 71, 142, 163, 284, 326, 421, 652, 842, 1684, 11573, 23146, 29891, 46292, 59782, 68623, 119564, 137246, 274492, 4872233, 9744466, 19488932]

約数ペア:

[(1, 19488932), (2, 9744466), (4, 4872233), (71, 274492), (142, 137246), (163, 119564), (284, 68623), (326, 59782), (421, 46292), (652, 29891), (842, 23146), (1684, 11573)]