18520072

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{136177}}^1$

素因数の和:136200

約数の個数: 16

約数和(自身を含む): 36768060

約数和(自身を除く): 18247988

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 136177, 272354, 544708, 1089416, 2315009, 4630018, 9260036, 18520072]

約数ペア:

[(1, 18520072), (2, 9260036), (4, 4630018), (8, 2315009), (17, 1089416), (34, 544708), (68, 272354), (136, 136177)]