18181024

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1759}}^1$

素因数の和:1805

約数の個数: 48

約数和(自身を含む): 39916800

約数和(自身を除く): 21735776

約数列:

[1, 2, 4, 8, 16, 17, 19, 32, 34, 38, 68, 76, 136, 152, 272, 304, 323, 544, 608, 646, 1292, 1759, 2584, 3518, 5168, 7036, 10336, 14072, 28144, 29903, 33421, 56288, 59806, 66842, 119612, 133684, 239224, 267368, 478448, 534736, 568157, 956896, 1069472, 1136314, 2272628, 4545256, 9090512, 18181024]

約数ペア:

[(1, 18181024), (2, 9090512), (4, 4545256), (8, 2272628), (16, 1136314), (17, 1069472), (19, 956896), (32, 568157), (34, 534736), (38, 478448), (68, 267368), (76, 239224), (136, 133684), (152, 119612), (272, 66842), (304, 59806), (323, 56288), (544, 33421), (608, 29903), (646, 28144), (1292, 14072), (1759, 10336), (2584, 7036), (3518, 5168)]