18903822

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23689}}^1$

素因数の和:23720

約数の個数: 32

約数和(自身を含む): 45484800

約数和(自身を除く): 26580978

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 57, 114, 133, 266, 399, 798, 23689, 47378, 71067, 142134, 165823, 331646, 450091, 497469, 900182, 994938, 1350273, 2700546, 3150637, 6301274, 9451911, 18903822]

約数ペア:

[(1, 18903822), (2, 9451911), (3, 6301274), (6, 3150637), (7, 2700546), (14, 1350273), (19, 994938), (21, 900182), (38, 497469), (42, 450091), (57, 331646), (114, 165823), (133, 142134), (266, 71067), (399, 47378), (798, 23689)]