17980802

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{2939}}^1$

素因数の和:2990

約数の個数: 32

約数和(自身を含む): 33868800

約数和(自身を除く): 15887998

約数列:

[1, 2, 7, 14, 19, 23, 38, 46, 133, 161, 266, 322, 437, 874, 2939, 3059, 5878, 6118, 20573, 41146, 55841, 67597, 111682, 135194, 390887, 473179, 781774, 946358, 1284343, 2568686, 8990401, 17980802]

約数ペア:

[(1, 17980802), (2, 8990401), (7, 2568686), (14, 1284343), (19, 946358), (23, 781774), (38, 473179), (46, 390887), (133, 135194), (161, 111682), (266, 67597), (322, 55841), (437, 41146), (874, 20573), (2939, 6118), (3059, 5878)]