17639780

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{8563}}^1$

素因数の和:8675

約数の個数: 24

約数和(自身を含む): 37407552

約数和(自身を除く): 19767772

約数列:

[1, 2, 4, 5, 10, 20, 103, 206, 412, 515, 1030, 2060, 8563, 17126, 34252, 42815, 85630, 171260, 881989, 1763978, 3527956, 4409945, 8819890, 17639780]

約数ペア:

[(1, 17639780), (2, 8819890), (4, 4409945), (5, 3527956), (10, 1763978), (20, 881989), (103, 171260), (206, 85630), (412, 42815), (515, 34252), (1030, 17126), (2060, 8563)]