19363747921

素因数分解:

$7^2\times {\mathrm{67}}^1\times {\mathrm{139}}^1\times {\mathrm{42433}}^1$

素因数の和:42653

約数の個数: 24

約数和(自身を含む): 23026385760

約数和(自身を除く): 3662637839

約数列:

[1, 7, 49, 67, 139, 469, 973, 3283, 6811, 9313, 42433, 65191, 297031, 456337, 2079217, 2843011, 5898187, 19901077, 41287309, 139307539, 289011163, 395178529, 2766249703, 19363747921]

約数ペア:

[(1, 19363747921), (7, 2766249703), (49, 395178529), (67, 289011163), (139, 139307539), (469, 41287309), (973, 19901077), (3283, 5898187), (6811, 2843011), (9313, 2079217), (42433, 456337), (65191, 297031)]