18902550

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{5479}}^1$

素因数の和:5517

約数の個数: 48

約数和(自身を含む): 48925440

約数和(自身を除く): 30022890

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 25, 30, 46, 50, 69, 75, 115, 138, 150, 230, 345, 575, 690, 1150, 1725, 3450, 5479, 10958, 16437, 27395, 32874, 54790, 82185, 126017, 136975, 164370, 252034, 273950, 378051, 410925, 630085, 756102, 821850, 1260170, 1890255, 3150425, 3780510, 6300850, 9451275, 18902550]

約数ペア:

[(1, 18902550), (2, 9451275), (3, 6300850), (5, 3780510), (6, 3150425), (10, 1890255), (15, 1260170), (23, 821850), (25, 756102), (30, 630085), (46, 410925), (50, 378051), (69, 273950), (75, 252034), (115, 164370), (138, 136975), (150, 126017), (230, 82185), (345, 54790), (575, 32874), (690, 27395), (1150, 16437), (1725, 10958), (3450, 5479)]