19395980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{57047}}^1$

素因数の和:57073

約数の個数: 24

約数和(自身を含む): 43128288

約数和(自身を除く): 23732308

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 57047, 114094, 228188, 285235, 570470, 969799, 1140940, 1939598, 3879196, 4848995, 9697990, 19395980]

約数ペア:

[(1, 19395980), (2, 9697990), (4, 4848995), (5, 3879196), (10, 1939598), (17, 1140940), (20, 969799), (34, 570470), (68, 285235), (85, 228188), (170, 114094), (340, 57047)]