17886790

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{2003}}^1$

素因数の和:2076

約数の個数: 32

約数和(自身を含む): 34629120

約数和(自身を除く): 16742330

約数列:

[1, 2, 5, 10, 19, 38, 47, 94, 95, 190, 235, 470, 893, 1786, 2003, 4006, 4465, 8930, 10015, 20030, 38057, 76114, 94141, 188282, 190285, 380570, 470705, 941410, 1788679, 3577358, 8943395, 17886790]

約数ペア:

[(1, 17886790), (2, 8943395), (5, 3577358), (10, 1788679), (19, 941410), (38, 470705), (47, 380570), (94, 190285), (95, 188282), (190, 94141), (235, 76114), (470, 38057), (893, 20030), (1786, 10015), (2003, 8930), (4006, 4465)]