18359538

素因数分解:

$2^1\times 3^1\times {\mathrm{43}}^1\times {\mathrm{71161}}^1$

素因数の和:71209

約数の個数: 16

約数和(自身を含む): 37573536

約数和(自身を除く): 19213998

約数列:

[1, 2, 3, 6, 43, 86, 129, 258, 71161, 142322, 213483, 426966, 3059923, 6119846, 9179769, 18359538]

約数ペア:

[(1, 18359538), (2, 9179769), (3, 6119846), (6, 3059923), (43, 426966), (86, 213483), (129, 142322), (258, 71161)]