1215392

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{1999}}^1$

素因数の和:2028

約数の個数: 24

約数和(自身を含む): 2520000

約数和(自身を除く): 1304608

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 76, 152, 304, 608, 1999, 3998, 7996, 15992, 31984, 37981, 63968, 75962, 151924, 303848, 607696, 1215392]

約数ペア:

[(1, 1215392), (2, 607696), (4, 303848), (8, 151924), (16, 75962), (19, 63968), (32, 37981), (38, 31984), (76, 15992), (152, 7996), (304, 3998), (608, 1999)]