19715768

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{859}}^1$

素因数の和:1035

約数の個数: 32

約数和(自身を含む): 39216000

約数和(自身を除く): 19500232

約数列:

[1, 2, 4, 8, 19, 38, 76, 151, 152, 302, 604, 859, 1208, 1718, 2869, 3436, 5738, 6872, 11476, 16321, 22952, 32642, 65284, 129709, 130568, 259418, 518836, 1037672, 2464471, 4928942, 9857884, 19715768]

約数ペア:

[(1, 19715768), (2, 9857884), (4, 4928942), (8, 2464471), (19, 1037672), (38, 518836), (76, 259418), (151, 130568), (152, 129709), (302, 65284), (604, 32642), (859, 22952), (1208, 16321), (1718, 11476), (2869, 6872), (3436, 5738)]