19397860

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{51047}}^1$

素因数の和:51075

約数の個数: 24

約数和(自身を含む): 42880320

約数和(自身を除く): 23482460

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 51047, 102094, 204188, 255235, 510470, 969893, 1020940, 1939786, 3879572, 4849465, 9698930, 19397860]

約数ペア:

[(1, 19397860), (2, 9698930), (4, 4849465), (5, 3879572), (10, 1939786), (19, 1020940), (20, 969893), (38, 510470), (76, 255235), (95, 204188), (190, 102094), (380, 51047)]