18215219

素因数分解:

${\mathrm{11}}^2\times {\mathrm{29}}^2\times {\mathrm{179}}^1$

素因数の和:259

約数の個数: 18

約数和(自身を含む): 20851740

約数和(自身を除く): 2636521

約数列:

[1, 11, 29, 121, 179, 319, 841, 1969, 3509, 5191, 9251, 21659, 57101, 101761, 150539, 628111, 1655929, 18215219]

約数ペア:

[(1, 18215219), (11, 1655929), (29, 628111), (121, 150539), (179, 101761), (319, 57101), (841, 21659), (1969, 9251), (3509, 5191)]