19945783

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{1381}}^1$

素因数の和:1506

約数の個数: 16

約数和(自身を含む): 23681952

約数和(自身を除く): 3736169

約数列:

[1, 11, 13, 101, 143, 1111, 1313, 1381, 14443, 15191, 17953, 139481, 197483, 1534291, 1813253, 19945783]

約数ペア:

[(1, 19945783), (11, 1813253), (13, 1534291), (101, 197483), (143, 139481), (1111, 17953), (1313, 15191), (1381, 14443)]