2193790

素因数分解:

$2^1\times 5^1\times {\mathrm{431}}^1\times {\mathrm{509}}^1$

素因数の和:947

約数の個数: 16

約数和(自身を含む): 3965760

約数和(自身を除く): 1771970

約数列:

[1, 2, 5, 10, 431, 509, 862, 1018, 2155, 2545, 4310, 5090, 219379, 438758, 1096895, 2193790]

約数ペア:

[(1, 2193790), (2, 1096895), (5, 438758), (10, 219379), (431, 5090), (509, 4310), (862, 2545), (1018, 2155)]