18041890

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{1669}}^1$

素因数の和:1746

約数の個数: 32

約数和(自身を含む): 34629120

約数和(自身を除く): 16587230

約数列:

[1, 2, 5, 10, 23, 46, 47, 94, 115, 230, 235, 470, 1081, 1669, 2162, 3338, 5405, 8345, 10810, 16690, 38387, 76774, 78443, 156886, 191935, 383870, 392215, 784430, 1804189, 3608378, 9020945, 18041890]

約数ペア:

[(1, 18041890), (2, 9020945), (5, 3608378), (10, 1804189), (23, 784430), (46, 392215), (47, 383870), (94, 191935), (115, 156886), (230, 78443), (235, 76774), (470, 38387), (1081, 16690), (1669, 10810), (2162, 8345), (3338, 5405)]