18990018

素因数分解:

$2^1\times 3^3\times {\mathrm{351667}}^1$

素因数の和:351678

約数の個数: 16

約数和(自身を含む): 42200160

約数和(自身を除く): 23210142

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 351667, 703334, 1055001, 2110002, 3165003, 6330006, 9495009, 18990018]

約数ペア:

[(1, 18990018), (2, 9495009), (3, 6330006), (6, 3165003), (9, 2110002), (18, 1055001), (27, 703334), (54, 351667)]