18503993

素因数分解:

${\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{67}}^1\times {\mathrm{151}}^1$

素因数の和:308

約数の個数: 16

約数和(自身を含む): 19845120

約数和(自身を除く): 1341127

約数列:

[1, 31, 59, 67, 151, 1829, 2077, 3953, 4681, 8909, 10117, 122543, 276179, 313627, 596903, 18503993]

約数ペア:

[(1, 18503993), (31, 596903), (59, 313627), (67, 276179), (151, 122543), (1829, 10117), (2077, 8909), (3953, 4681)]