19133775

素因数分解:

$3^2\times 5^2\times {\mathrm{277}}^1\times {\mathrm{307}}^1$

素因数の和:600

約数の個数: 36

約数和(自身を含む): 34506472

約数和(自身を除く): 15372697

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 277, 307, 831, 921, 1385, 1535, 2493, 2763, 4155, 4605, 6925, 7675, 12465, 13815, 20775, 23025, 62325, 69075, 85039, 255117, 425195, 765351, 1275585, 2125975, 3826755, 6377925, 19133775]

約数ペア:

[(1, 19133775), (3, 6377925), (5, 3826755), (9, 2125975), (15, 1275585), (25, 765351), (45, 425195), (75, 255117), (225, 85039), (277, 69075), (307, 62325), (831, 23025), (921, 20775), (1385, 13815), (1535, 12465), (2493, 7675), (2763, 6925), (4155, 4605)]