18867437

素因数分解:

${\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{311}}^1$

素因数の和:464

約数の個数: 16

約数和(自身を含む): 20766720

約数和(自身を除く): 1899283

約数列:

[1, 19, 31, 103, 311, 589, 1957, 3193, 5909, 9641, 32033, 60667, 183179, 608627, 993023, 18867437]

約数ペア:

[(1, 18867437), (19, 993023), (31, 608627), (103, 183179), (311, 60667), (589, 32033), (1957, 9641), (3193, 5909)]