19997372

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{6257}}^1$

素因数の和:6325

約数の個数: 24

約数和(自身を含む): 37848384

約数和(自身を除く): 17851012

約数列:

[1, 2, 4, 17, 34, 47, 68, 94, 188, 799, 1598, 3196, 6257, 12514, 25028, 106369, 212738, 294079, 425476, 588158, 1176316, 4999343, 9998686, 19997372]

約数ペア:

[(1, 19997372), (2, 9998686), (4, 4999343), (17, 1176316), (34, 588158), (47, 425476), (68, 294079), (94, 212738), (188, 106369), (799, 25028), (1598, 12514), (3196, 6257)]