18071272

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{1493}}^1$

素因数の和:1605

約数の個数: 32

約数和(自身を含む): 36304200

約数和(自身を除く): 18232928

約数列:

[1, 2, 4, 8, 17, 34, 68, 89, 136, 178, 356, 712, 1493, 1513, 2986, 3026, 5972, 6052, 11944, 12104, 25381, 50762, 101524, 132877, 203048, 265754, 531508, 1063016, 2258909, 4517818, 9035636, 18071272]

約数ペア:

[(1, 18071272), (2, 9035636), (4, 4517818), (8, 2258909), (17, 1063016), (34, 531508), (68, 265754), (89, 203048), (136, 132877), (178, 101524), (356, 50762), (712, 25381), (1493, 12104), (1513, 11944), (2986, 6052), (3026, 5972)]