18552875

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{131}}^1$

素因数の和:260

約数の個数: 32

約数和(自身を含む): 25698816

約数和(自身を除く): 7145941

約数列:

[1, 5, 11, 25, 55, 103, 125, 131, 275, 515, 655, 1133, 1375, 1441, 2575, 3275, 5665, 7205, 12875, 13493, 16375, 28325, 36025, 67465, 141625, 148423, 180125, 337325, 742115, 1686625, 3710575, 18552875]

約数ペア:

[(1, 18552875), (5, 3710575), (11, 1686625), (25, 742115), (55, 337325), (103, 180125), (125, 148423), (131, 141625), (275, 67465), (515, 36025), (655, 28325), (1133, 16375), (1375, 13493), (1441, 12875), (2575, 7205), (3275, 5665)]