19181096

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1$

素因数の和:234

約数の個数: 64

約数和(自身を含む): 41532480

約数和(自身を除く): 22351384

約数列:

[1, 2, 4, 8, 11, 22, 37, 43, 44, 74, 86, 88, 137, 148, 172, 274, 296, 344, 407, 473, 548, 814, 946, 1096, 1507, 1591, 1628, 1892, 3014, 3182, 3256, 3784, 5069, 5891, 6028, 6364, 10138, 11782, 12056, 12728, 17501, 20276, 23564, 35002, 40552, 47128, 55759, 64801, 70004, 111518, 129602, 140008, 217967, 223036, 259204, 435934, 446072, 518408, 871868, 1743736, 2397637, 4795274, 9590548, 19181096]

約数ペア:

[(1, 19181096), (2, 9590548), (4, 4795274), (8, 2397637), (11, 1743736), (22, 871868), (37, 518408), (43, 446072), (44, 435934), (74, 259204), (86, 223036), (88, 217967), (137, 140008), (148, 129602), (172, 111518), (274, 70004), (296, 64801), (344, 55759), (407, 47128), (473, 40552), (548, 35002), (814, 23564), (946, 20276), (1096, 17501), (1507, 12728), (1591, 12056), (1628, 11782), (1892, 10138), (3014, 6364), (3182, 6028), (3256, 5891), (3784, 5069)]