19871418

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{11003}}^1$

素因数の和:11058

約数の個数: 32

約数和(自身を含む): 46480896

約数和(自身を除く): 26609478

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 43, 86, 129, 258, 301, 602, 903, 1806, 11003, 22006, 33009, 66018, 77021, 154042, 231063, 462126, 473129, 946258, 1419387, 2838774, 3311903, 6623806, 9935709, 19871418]

約数ペア:

[(1, 19871418), (2, 9935709), (3, 6623806), (6, 3311903), (7, 2838774), (14, 1419387), (21, 946258), (42, 473129), (43, 462126), (86, 231063), (129, 154042), (258, 77021), (301, 66018), (602, 33009), (903, 22006), (1806, 11003)]