18874334

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{11551}}^1$

素因数の和:11615

約数の個数: 16

約数和(自身を含む): 30497280

約数和(自身を除く): 11622946

約数列:

[1, 2, 19, 38, 43, 86, 817, 1634, 11551, 23102, 219469, 438938, 496693, 993386, 9437167, 18874334]

約数ペア:

[(1, 18874334), (2, 9437167), (19, 993386), (38, 496693), (43, 438938), (86, 219469), (817, 23102), (1634, 11551)]