18939522

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{10487}}^1$

素因数の和:10542

約数の個数: 32

約数和(自身を含む): 44301312

約数和(自身を除く): 25361790

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 43, 86, 129, 258, 301, 602, 903, 1806, 10487, 20974, 31461, 62922, 73409, 146818, 220227, 440454, 450941, 901882, 1352823, 2705646, 3156587, 6313174, 9469761, 18939522]

約数ペア:

[(1, 18939522), (2, 9469761), (3, 6313174), (6, 3156587), (7, 2705646), (14, 1352823), (21, 901882), (42, 450941), (43, 440454), (86, 220227), (129, 146818), (258, 73409), (301, 62922), (602, 31461), (903, 20974), (1806, 10487)]