18475987

素因数分解:

${\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{257}}^1$

素因数の和:390

約数の個数: 16

約数和(自身を含む): 20000160

約数和(自身を除く): 1524173

約数列:

[1, 29, 37, 67, 257, 1073, 1943, 2479, 7453, 9509, 17219, 71891, 275761, 499351, 637103, 18475987]

約数ペア:

[(1, 18475987), (29, 637103), (37, 499351), (67, 275761), (257, 71891), (1073, 17219), (1943, 9509), (2479, 7453)]