19203015

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1$

素因数の和:184

約数の個数: 64

約数和(自身を含む): 35804160

約数和(自身を除く): 16601145

約数列:

[1, 3, 5, 13, 15, 19, 39, 57, 65, 71, 73, 95, 195, 213, 219, 247, 285, 355, 365, 741, 923, 949, 1065, 1095, 1235, 1349, 1387, 2769, 2847, 3705, 4047, 4161, 4615, 4745, 5183, 6745, 6935, 13845, 14235, 15549, 17537, 18031, 20235, 20805, 25915, 52611, 54093, 67379, 77745, 87685, 90155, 98477, 202137, 263055, 270465, 295431, 336895, 492385, 1010685, 1280201, 1477155, 3840603, 6401005, 19203015]

約数ペア:

[(1, 19203015), (3, 6401005), (5, 3840603), (13, 1477155), (15, 1280201), (19, 1010685), (39, 492385), (57, 336895), (65, 295431), (71, 270465), (73, 263055), (95, 202137), (195, 98477), (213, 90155), (219, 87685), (247, 77745), (285, 67379), (355, 54093), (365, 52611), (741, 25915), (923, 20805), (949, 20235), (1065, 18031), (1095, 17537), (1235, 15549), (1349, 14235), (1387, 13845), (2769, 6935), (2847, 6745), (3705, 5183), (4047, 4745), (4161, 4615)]