19038560

素因数分解:

$2^5\times 5^1\times {\mathrm{257}}^1\times {\mathrm{463}}^1$

素因数の和:735

約数の個数: 48

約数和(自身を含む): 45251136

約数和(自身を除く): 26212576

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 257, 463, 514, 926, 1028, 1285, 1852, 2056, 2315, 2570, 3704, 4112, 4630, 5140, 7408, 8224, 9260, 10280, 14816, 18520, 20560, 37040, 41120, 74080, 118991, 237982, 475964, 594955, 951928, 1189910, 1903856, 2379820, 3807712, 4759640, 9519280, 19038560]

約数ペア:

[(1, 19038560), (2, 9519280), (4, 4759640), (5, 3807712), (8, 2379820), (10, 1903856), (16, 1189910), (20, 951928), (32, 594955), (40, 475964), (80, 237982), (160, 118991), (257, 74080), (463, 41120), (514, 37040), (926, 20560), (1028, 18520), (1285, 14816), (1852, 10280), (2056, 9260), (2315, 8224), (2570, 7408), (3704, 5140), (4112, 4630)]