18974179

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{179}}^1\times {\mathrm{797}}^1$

素因数の和:1002

約数の個数: 16

約数和(自身を含む): 22982400

約数和(自身を除く): 4008221

約数列:

[1, 7, 19, 133, 179, 797, 1253, 3401, 5579, 15143, 23807, 106001, 142663, 998641, 2710597, 18974179]

約数ペア:

[(1, 18974179), (7, 2710597), (19, 998641), (133, 142663), (179, 106001), (797, 23807), (1253, 15143), (3401, 5579)]