18280147168

素因数分解:

$2^5\times {\mathrm{41}}^1\times {\mathrm{89}}^2\times {\mathrm{1759}}^1$

素因数の和:1988

約数の個数: 72

約数和(自身を含む): 37306906560

約数和(自身を除く): 19026759392

約数列:

[1, 2, 4, 8, 16, 32, 41, 82, 89, 164, 178, 328, 356, 656, 712, 1312, 1424, 1759, 2848, 3518, 3649, 7036, 7298, 7921, 14072, 14596, 15842, 28144, 29192, 31684, 56288, 58384, 63368, 72119, 116768, 126736, 144238, 156551, 253472, 288476, 313102, 324761, 576952, 626204, 649522, 1153904, 1252408, 1299044, 2307808, 2504816, 2598088, 5009632, 5196176, 6418591, 10392352, 12837182, 13933039, 25674364, 27866078, 51348728, 55732156, 102697456, 111464312, 205394912, 222928624, 445857248, 571254599, 1142509198, 2285018396, 4570036792, 9140073584, 18280147168]

約数ペア:

[(1, 18280147168), (2, 9140073584), (4, 4570036792), (8, 2285018396), (16, 1142509198), (32, 571254599), (41, 445857248), (82, 222928624), (89, 205394912), (164, 111464312), (178, 102697456), (328, 55732156), (356, 51348728), (656, 27866078), (712, 25674364), (1312, 13933039), (1424, 12837182), (1759, 10392352), (2848, 6418591), (3518, 5196176), (3649, 5009632), (7036, 2598088), (7298, 2504816), (7921, 2307808), (14072, 1299044), (14596, 1252408), (15842, 1153904), (28144, 649522), (29192, 626204), (31684, 576952), (56288, 324761), (58384, 313102), (63368, 288476), (72119, 253472), (116768, 156551), (126736, 144238)]