18866766

素因数分解:

$2^1\times 3^1\times {\mathrm{43}}^1\times {\mathrm{73127}}^1$

素因数の和:73175

約数の個数: 16

約数和(自身を含む): 38611584

約数和(自身を除く): 19744818

約数列:

[1, 2, 3, 6, 43, 86, 129, 258, 73127, 146254, 219381, 438762, 3144461, 6288922, 9433383, 18866766]

約数ペア:

[(1, 18866766), (2, 9433383), (3, 6288922), (6, 3144461), (43, 438762), (86, 219381), (129, 146254), (258, 73127)]