18929416

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{251}}^1\times {\mathrm{857}}^1$

素因数の和:1125

約数の個数: 32

約数和(自身を含む): 38918880

約数和(自身を除く): 19989464

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 251, 502, 857, 1004, 1714, 2008, 2761, 3428, 5522, 6856, 9427, 11044, 18854, 22088, 37708, 75416, 215107, 430214, 860428, 1720856, 2366177, 4732354, 9464708, 18929416]

約数ペア:

[(1, 18929416), (2, 9464708), (4, 4732354), (8, 2366177), (11, 1720856), (22, 860428), (44, 430214), (88, 215107), (251, 75416), (502, 37708), (857, 22088), (1004, 18854), (1714, 11044), (2008, 9427), (2761, 6856), (3428, 5522)]