1990490864

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{223}}^1\times {\mathrm{19237}}^1$

素因数の和:19497

約数の個数: 40

約数和(自身を含む): 4007660160

約数和(自身を除く): 2017169296

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 223, 232, 446, 464, 892, 1784, 3568, 6467, 12934, 19237, 25868, 38474, 51736, 76948, 103472, 153896, 307792, 557873, 1115746, 2231492, 4289851, 4462984, 8579702, 8925968, 17159404, 34318808, 68637616, 124405679, 248811358, 497622716, 995245432, 1990490864]

約数ペア:

[(1, 1990490864), (2, 995245432), (4, 497622716), (8, 248811358), (16, 124405679), (29, 68637616), (58, 34318808), (116, 17159404), (223, 8925968), (232, 8579702), (446, 4462984), (464, 4289851), (892, 2231492), (1784, 1115746), (3568, 557873), (6467, 307792), (12934, 153896), (19237, 103472), (25868, 76948), (38474, 51736)]