18916014

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{7823}}^1$

素因数の和:7872

約数の個数: 32

約数和(自身を含む): 42061824

約数和(自身を除く): 23145810

約数列:

[1, 2, 3, 6, 13, 26, 31, 39, 62, 78, 93, 186, 403, 806, 1209, 2418, 7823, 15646, 23469, 46938, 101699, 203398, 242513, 305097, 485026, 610194, 727539, 1455078, 3152669, 6305338, 9458007, 18916014]

約数ペア:

[(1, 18916014), (2, 9458007), (3, 6305338), (6, 3152669), (13, 1455078), (26, 727539), (31, 610194), (39, 485026), (62, 305097), (78, 242513), (93, 203398), (186, 101699), (403, 46938), (806, 23469), (1209, 15646), (2418, 7823)]