18487898

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{509}}^1$

素因数の和:662

約数の個数: 32

約数和(自身を含む): 32901120

約数和(自身を除く): 14413222

約数列:

[1, 2, 11, 13, 22, 26, 127, 143, 254, 286, 509, 1018, 1397, 1651, 2794, 3302, 5599, 6617, 11198, 13234, 18161, 36322, 64643, 72787, 129286, 145574, 711073, 840359, 1422146, 1680718, 9243949, 18487898]

約数ペア:

[(1, 18487898), (2, 9243949), (11, 1680718), (13, 1422146), (22, 840359), (26, 711073), (127, 145574), (143, 129286), (254, 72787), (286, 64643), (509, 36322), (1018, 18161), (1397, 13234), (1651, 11198), (2794, 6617), (3302, 5599)]