19727205121

素因数分解:

${\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{139}}^1\times {\mathrm{257}}^1\times {\mathrm{397}}^1$

素因数の和:913

約数の個数: 32

約数和(自身を含む): 21736149120

約数和(自身を除く): 2008943999

約数列:

[1, 13, 107, 139, 257, 397, 1391, 1807, 3341, 5161, 14873, 27499, 35723, 42479, 55183, 102029, 193349, 357487, 464399, 552227, 717379, 1326377, 3822361, 5904581, 10917103, 14182031, 49690693, 76759553, 141922339, 184366403, 1517477317, 19727205121]

約数ペア:

[(1, 19727205121), (13, 1517477317), (107, 184366403), (139, 141922339), (257, 76759553), (397, 49690693), (1391, 14182031), (1807, 10917103), (3341, 5904581), (5161, 3822361), (14873, 1326377), (27499, 717379), (35723, 552227), (42479, 464399), (55183, 357487), (102029, 193349)]