18847235

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{317}}^1$

素因数の和:403

約数の個数: 32

約数和(自身を含む): 26376192

約数和(自身を除く): 7528957

約数列:

[1, 5, 11, 23, 47, 55, 115, 235, 253, 317, 517, 1081, 1265, 1585, 2585, 3487, 5405, 7291, 11891, 14899, 17435, 36455, 59455, 74495, 80201, 163889, 342677, 401005, 819445, 1713385, 3769447, 18847235]

約数ペア:

[(1, 18847235), (5, 3769447), (11, 1713385), (23, 819445), (47, 401005), (55, 342677), (115, 163889), (235, 80201), (253, 74495), (317, 59455), (517, 36455), (1081, 17435), (1265, 14899), (1585, 11891), (2585, 7291), (3487, 5405)]