15940912

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{443}}^1$

素因数の和:637

約数の個数: 40

約数和(自身を含む): 33529104

約数和(自身を除く): 17588192

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 173, 208, 346, 443, 692, 886, 1384, 1772, 2249, 2768, 3544, 4498, 5759, 7088, 8996, 11518, 17992, 23036, 35984, 46072, 76639, 92144, 153278, 306556, 613112, 996307, 1226224, 1992614, 3985228, 7970456, 15940912]

約数ペア:

[(1, 15940912), (2, 7970456), (4, 3985228), (8, 1992614), (13, 1226224), (16, 996307), (26, 613112), (52, 306556), (104, 153278), (173, 92144), (208, 76639), (346, 46072), (443, 35984), (692, 23036), (886, 17992), (1384, 11518), (1772, 8996), (2249, 7088), (2768, 5759), (3544, 4498)]