18781372798

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{163}}^1\times {\mathrm{19121}}^1$

素因数の和:19440

約数の個数: 32

約数和(自身を含む): 29804620032

約数和(自身を除く): 11023247234

約数列:

[1, 2, 23, 46, 131, 163, 262, 326, 3013, 3749, 6026, 7498, 19121, 21353, 38242, 42706, 439783, 491119, 879566, 982238, 2504851, 3116723, 5009702, 6233446, 57611573, 71684629, 115223146, 143369258, 408290713, 816581426, 9390686399, 18781372798]

約数ペア:

[(1, 18781372798), (2, 9390686399), (23, 816581426), (46, 408290713), (131, 143369258), (163, 115223146), (262, 71684629), (326, 57611573), (3013, 6233446), (3749, 5009702), (6026, 3116723), (7498, 2504851), (19121, 982238), (21353, 879566), (38242, 491119), (42706, 439783)]