19313668

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{263}}^1\times {\mathrm{1669}}^1$

素因数の和:1947

約数の個数: 24

約数和(自身を含む): 37033920

約数和(自身を除く): 17720252

約数列:

[1, 2, 4, 11, 22, 44, 263, 526, 1052, 1669, 2893, 3338, 5786, 6676, 11572, 18359, 36718, 73436, 438947, 877894, 1755788, 4828417, 9656834, 19313668]

約数ペア:

[(1, 19313668), (2, 9656834), (4, 4828417), (11, 1755788), (22, 877894), (44, 438947), (263, 73436), (526, 36718), (1052, 18359), (1669, 11572), (2893, 6676), (3338, 5786)]