19381581

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{967}}^1$

素因数の和:1121

約数の個数: 24

約数和(自身を含む): 29899584

約数和(自身を除く): 10518003

約数列:

[1, 3, 9, 17, 51, 131, 153, 393, 967, 1179, 2227, 2901, 6681, 8703, 16439, 20043, 49317, 126677, 147951, 380031, 1140093, 2153509, 6460527, 19381581]

約数ペア:

[(1, 19381581), (3, 6460527), (9, 2153509), (17, 1140093), (51, 380031), (131, 147951), (153, 126677), (393, 49317), (967, 20043), (1179, 16439), (2227, 8703), (2901, 6681)]