19136117

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2731}}^1$

素因数の和:2769

約数の個数: 24

約数和(自身を含む): 26161632

約数和(自身を除く): 7025515

約数列:

[1, 7, 11, 13, 49, 77, 91, 143, 539, 637, 1001, 2731, 7007, 19117, 30041, 35503, 133819, 210287, 248521, 390533, 1472009, 1739647, 2733731, 19136117]

約数ペア:

[(1, 19136117), (7, 2733731), (11, 1739647), (13, 1472009), (49, 390533), (77, 248521), (91, 210287), (143, 133819), (539, 35503), (637, 30041), (1001, 19117), (2731, 7007)]