15987056

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{1223}}^1$

素因数の和:1293

約数の個数: 40

約数和(自身を含む): 33390720

約数和(自身を除く): 17403664

約数列:

[1, 2, 4, 8, 16, 19, 38, 43, 76, 86, 152, 172, 304, 344, 688, 817, 1223, 1634, 2446, 3268, 4892, 6536, 9784, 13072, 19568, 23237, 46474, 52589, 92948, 105178, 185896, 210356, 371792, 420712, 841424, 999191, 1998382, 3996764, 7993528, 15987056]

約数ペア:

[(1, 15987056), (2, 7993528), (4, 3996764), (8, 1998382), (16, 999191), (19, 841424), (38, 420712), (43, 371792), (76, 210356), (86, 185896), (152, 105178), (172, 92948), (304, 52589), (344, 46474), (688, 23237), (817, 19568), (1223, 13072), (1634, 9784), (2446, 6536), (3268, 4892)]