19845681

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{9491}}^1$

素因数の和:9552

約数の個数: 16

約数和(自身を含む): 28703808

約数和(自身を除く): 8858127

約数列:

[1, 3, 17, 41, 51, 123, 697, 2091, 9491, 28473, 161347, 389131, 484041, 1167393, 6615227, 19845681]

約数ペア:

[(1, 19845681), (3, 6615227), (17, 1167393), (41, 484041), (51, 389131), (123, 161347), (697, 28473), (2091, 9491)]