18131230

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{661}}^1$

素因数の和:892

約数の個数: 32

約数和(自身を含む): 35366688

約数和(自身を除く): 17235458

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 211, 422, 661, 1055, 1322, 2110, 2743, 3305, 5486, 6610, 8593, 13715, 17186, 27430, 42965, 85930, 139471, 278942, 697355, 1394710, 1813123, 3626246, 9065615, 18131230]

約数ペア:

[(1, 18131230), (2, 9065615), (5, 3626246), (10, 1813123), (13, 1394710), (26, 697355), (65, 278942), (130, 139471), (211, 85930), (422, 42965), (661, 27430), (1055, 17186), (1322, 13715), (2110, 8593), (2743, 6610), (3305, 5486)]