12720196

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{383}}^1$

素因数の和:448

約数の個数: 36

約数和(自身を含む): 24579072

約数和(自身を除く): 11858876

約数列:

[1, 2, 4, 19, 23, 38, 46, 76, 92, 361, 383, 437, 722, 766, 874, 1444, 1532, 1748, 7277, 8303, 8809, 14554, 16606, 17618, 29108, 33212, 35236, 138263, 167371, 276526, 334742, 553052, 669484, 3180049, 6360098, 12720196]

約数ペア:

[(1, 12720196), (2, 6360098), (4, 3180049), (19, 669484), (23, 553052), (38, 334742), (46, 276526), (76, 167371), (92, 138263), (361, 35236), (383, 33212), (437, 29108), (722, 17618), (766, 16606), (874, 14554), (1444, 8809), (1532, 8303), (1748, 7277)]