18617465

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{107}}^1$

素因数の和:241

約数の個数: 32

約数和(自身を含む): 25194240

約数和(自身を除く): 6576775

約数列:

[1, 5, 17, 23, 85, 89, 107, 115, 391, 445, 535, 1513, 1819, 1955, 2047, 2461, 7565, 9095, 9523, 10235, 12305, 34799, 41837, 47615, 161891, 173995, 209185, 219029, 809455, 1095145, 3723493, 18617465]

約数ペア:

[(1, 18617465), (5, 3723493), (17, 1095145), (23, 809455), (85, 219029), (89, 209185), (107, 173995), (115, 161891), (391, 47615), (445, 41837), (535, 34799), (1513, 12305), (1819, 10235), (1955, 9523), (2047, 9095), (2461, 7565)]