18194165

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1$

素因数の和:134

約数の個数: 48

約数和(自身を含む): 26717040

約数和(自身を除く): 8522875

約数列:

[1, 5, 11, 17, 29, 55, 61, 85, 121, 145, 187, 305, 319, 493, 605, 671, 935, 1037, 1595, 1769, 2057, 2465, 3355, 3509, 5185, 5423, 7381, 8845, 10285, 11407, 17545, 19459, 27115, 30073, 36905, 57035, 59653, 97295, 125477, 150365, 214049, 298265, 330803, 627385, 1070245, 1654015, 3638833, 18194165]

約数ペア:

[(1, 18194165), (5, 3638833), (11, 1654015), (17, 1070245), (29, 627385), (55, 330803), (61, 298265), (85, 214049), (121, 150365), (145, 125477), (187, 97295), (305, 59653), (319, 57035), (493, 36905), (605, 30073), (671, 27115), (935, 19459), (1037, 17545), (1595, 11407), (1769, 10285), (2057, 8845), (2465, 7381), (3355, 5423), (3509, 5185)]