16620668

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{383}}^1\times {\mathrm{571}}^1$

素因数の和:977

約数の個数: 24

約数和(自身を含む): 30750720

約数和(自身を除く): 14130052

約数列:

[1, 2, 4, 19, 38, 76, 383, 571, 766, 1142, 1532, 2284, 7277, 10849, 14554, 21698, 29108, 43396, 218693, 437386, 874772, 4155167, 8310334, 16620668]

約数ペア:

[(1, 16620668), (2, 8310334), (4, 4155167), (19, 874772), (38, 437386), (76, 218693), (383, 43396), (571, 29108), (766, 21698), (1142, 14554), (1532, 10849), (2284, 7277)]