19040409

素因数分解:

$3^2\times {\mathrm{53}}^1\times {\mathrm{179}}^1\times {\mathrm{223}}^1$

素因数の和:461

約数の個数: 24

約数和(自身を含む): 28304640

約数和(自身を除く): 9264231

約数列:

[1, 3, 9, 53, 159, 179, 223, 477, 537, 669, 1611, 2007, 9487, 11819, 28461, 35457, 39917, 85383, 106371, 119751, 359253, 2115601, 6346803, 19040409]

約数ペア:

[(1, 19040409), (3, 6346803), (9, 2115601), (53, 359253), (159, 119751), (179, 106371), (223, 85383), (477, 39917), (537, 35457), (669, 28461), (1611, 11819), (2007, 9487)]