18888921763

素因数分解:

${\mathrm{19}}^2\times {\mathrm{37}}^1\times {\mathrm{149}}^1\times {\mathrm{9491}}^1$

素因数の和:9715

約数の個数: 24

約数和(自身を含む): 20613776400

約数和(自身を除く): 1724854637

約数列:

[1, 19, 37, 149, 361, 703, 2831, 5513, 9491, 13357, 53789, 104747, 180329, 351167, 1414159, 1990193, 3426251, 6672173, 26869021, 52323883, 126771287, 510511399, 994153777, 18888921763]

約数ペア:

[(1, 18888921763), (19, 994153777), (37, 510511399), (149, 126771287), (361, 52323883), (703, 26869021), (2831, 6672173), (5513, 3426251), (9491, 1990193), (13357, 1414159), (53789, 351167), (104747, 180329)]