18419258065

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{481109}}^1$

素因数の和:481177

約数の個数: 32

約数和(自身を含む): 25864473600

約数和(自身を除く): 7445215535

約数列:

[1, 5, 13, 19, 31, 65, 95, 155, 247, 403, 589, 1235, 2015, 2945, 7657, 38285, 481109, 2405545, 6254417, 9141071, 14914379, 31272085, 45705355, 74571895, 118833923, 193886927, 283373201, 594169615, 969434635, 1416866005, 3683851613, 18419258065]

約数ペア:

[(1, 18419258065), (5, 3683851613), (13, 1416866005), (19, 969434635), (31, 594169615), (65, 283373201), (95, 193886927), (155, 118833923), (247, 74571895), (403, 45705355), (589, 31272085), (1235, 14914379), (2015, 9141071), (2945, 6254417), (7657, 2405545), (38285, 481109)]