18900270

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{70001}}^1$

素因数の和:70017

約数の個数: 32

約数和(自身を含む): 50401440

約数和(自身を除く): 31501170

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 270, 70001, 140002, 210003, 350005, 420006, 630009, 700010, 1050015, 1260018, 1890027, 2100030, 3150045, 3780054, 6300090, 9450135, 18900270]

約数ペア:

[(1, 18900270), (2, 9450135), (3, 6300090), (5, 3780054), (6, 3150045), (9, 2100030), (10, 1890027), (15, 1260018), (18, 1050015), (27, 700010), (30, 630009), (45, 420006), (54, 350005), (90, 210003), (135, 140002), (270, 70001)]