19089080

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{20749}}^1$

素因数の和:20783

約数の個数: 32

約数和(自身を含む): 44820000

約数和(自身を除く): 25730920

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 20749, 41498, 82996, 103745, 165992, 207490, 414980, 477227, 829960, 954454, 1908908, 2386135, 3817816, 4772270, 9544540, 19089080]

約数ペア:

[(1, 19089080), (2, 9544540), (4, 4772270), (5, 3817816), (8, 2386135), (10, 1908908), (20, 954454), (23, 829960), (40, 477227), (46, 414980), (92, 207490), (115, 165992), (184, 103745), (230, 82996), (460, 41498), (920, 20749)]