19859950

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{36109}}^1$

素因数の和:36132

約数の個数: 24

約数和(自身を含む): 40298760

約数和(自身を除く): 20438810

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 275, 550, 36109, 72218, 180545, 361090, 397199, 794398, 902725, 1805450, 1985995, 3971990, 9929975, 19859950]

約数ペア:

[(1, 19859950), (2, 9929975), (5, 3971990), (10, 1985995), (11, 1805450), (22, 902725), (25, 794398), (50, 397199), (55, 361090), (110, 180545), (275, 72218), (550, 36109)]