19907568

素因数分解:

$2^4\times 3^2\times {\mathrm{138247}}^1$

素因数の和:138261

約数の個数: 30

約数和(自身を含む): 55713944

約数和(自身を除く): 35806376

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 138247, 276494, 414741, 552988, 829482, 1105976, 1244223, 1658964, 2211952, 2488446, 3317928, 4976892, 6635856, 9953784, 19907568]

約数ペア:

[(1, 19907568), (2, 9953784), (3, 6635856), (4, 4976892), (6, 3317928), (8, 2488446), (9, 2211952), (12, 1658964), (16, 1244223), (18, 1105976), (24, 829482), (36, 552988), (48, 414741), (72, 276494), (144, 138247)]