19550025

素因数分解:

$3^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{2633}}^1$

素因数の和:2663

約数の個数: 48

約数和(自身を含む): 39193920

約数和(自身を除く): 19643895

約数列:

[1, 3, 5, 9, 11, 15, 25, 27, 33, 45, 55, 75, 99, 135, 165, 225, 275, 297, 495, 675, 825, 1485, 2475, 2633, 7425, 7899, 13165, 23697, 28963, 39495, 65825, 71091, 86889, 118485, 144815, 197475, 260667, 355455, 434445, 592425, 724075, 782001, 1303335, 1777275, 2172225, 3910005, 6516675, 19550025]

約数ペア:

[(1, 19550025), (3, 6516675), (5, 3910005), (9, 2172225), (11, 1777275), (15, 1303335), (25, 782001), (27, 724075), (33, 592425), (45, 434445), (55, 355455), (75, 260667), (99, 197475), (135, 144815), (165, 118485), (225, 86889), (275, 71091), (297, 65825), (495, 39495), (675, 28963), (825, 23697), (1485, 13165), (2475, 7899), (2633, 7425)]