18880372225

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{883}}^1\times {\mathrm{5981}}^1$

素因数の和:6898

約数の個数: 48

約数和(自身を含む): 27540362304

約数和(自身を除く): 8659990079

約数列:

[1, 5, 11, 13, 25, 55, 65, 143, 275, 325, 715, 883, 3575, 4415, 5981, 9713, 11479, 22075, 29905, 48565, 57395, 65791, 77753, 126269, 149525, 242825, 286975, 328955, 388765, 631345, 855283, 1644775, 1943825, 3156725, 4276415, 5281223, 21382075, 26406115, 58093453, 68655899, 132030575, 290467265, 343279495, 755214889, 1452336325, 1716397475, 3776074445, 18880372225]

約数ペア:

[(1, 18880372225), (5, 3776074445), (11, 1716397475), (13, 1452336325), (25, 755214889), (55, 343279495), (65, 290467265), (143, 132030575), (275, 68655899), (325, 58093453), (715, 26406115), (883, 21382075), (3575, 5281223), (4415, 4276415), (5981, 3156725), (9713, 1943825), (11479, 1644775), (22075, 855283), (29905, 631345), (48565, 388765), (57395, 328955), (65791, 286975), (77753, 242825), (126269, 149525)]