18969049

素因数分解:

${\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{223}}^1$

素因数の和:301

約数の個数: 24

約数和(自身を含む): 22641920

約数和(自身を除く): 3672871

約数列:

[1, 11, 19, 37, 121, 209, 223, 407, 703, 2299, 2453, 4237, 4477, 7733, 8251, 26983, 46607, 85063, 90761, 156769, 512677, 998371, 1724459, 18969049]

約数ペア:

[(1, 18969049), (11, 1724459), (19, 998371), (37, 512677), (121, 156769), (209, 90761), (223, 85063), (407, 46607), (703, 26983), (2299, 8251), (2453, 7733), (4237, 4477)]