18617538

素因数分解:

$2^1\times 3^1\times {\mathrm{43}}^1\times {\mathrm{72161}}^1$

素因数の和:72209

約数の個数: 16

約数和(自身を含む): 38101536

約数和(自身を除く): 19483998

約数列:

[1, 2, 3, 6, 43, 86, 129, 258, 72161, 144322, 216483, 432966, 3102923, 6205846, 9308769, 18617538]

約数ペア:

[(1, 18617538), (2, 9308769), (3, 6205846), (6, 3102923), (43, 432966), (86, 216483), (129, 144322), (258, 72161)]