18444188

素因数分解:

$2^2\times 7^2\times {\mathrm{139}}^1\times {\mathrm{677}}^1$

素因数の和:834

約数の個数: 36

約数和(自身を含む): 37873080

約数和(自身を除く): 19428892

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 139, 196, 278, 556, 677, 973, 1354, 1946, 2708, 3892, 4739, 6811, 9478, 13622, 18956, 27244, 33173, 66346, 94103, 132692, 188206, 376412, 658721, 1317442, 2634884, 4611047, 9222094, 18444188]

約数ペア:

[(1, 18444188), (2, 9222094), (4, 4611047), (7, 2634884), (14, 1317442), (28, 658721), (49, 376412), (98, 188206), (139, 132692), (196, 94103), (278, 66346), (556, 33173), (677, 27244), (973, 18956), (1354, 13622), (1946, 9478), (2708, 6811), (3892, 4739)]