18042419

素因数分解:

${\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1$

素因数の和:155

約数の個数: 24

約数和(自身を含む): 20738592

約数和(自身を除く): 2696173

約数列:

[1, 19, 23, 41, 53, 361, 437, 779, 943, 1007, 1219, 2173, 8303, 14801, 17917, 19133, 23161, 41287, 49979, 340423, 440059, 784453, 949601, 18042419]

約数ペア:

[(1, 18042419), (19, 949601), (23, 784453), (41, 440059), (53, 340423), (361, 49979), (437, 41287), (779, 23161), (943, 19133), (1007, 17917), (1219, 14801), (2173, 8303)]