18091672

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{971}}^1$

素因数の和:1131

約数の個数: 32

約数和(自身を含む): 36216720

約数和(自身を除く): 18125048

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 137, 274, 548, 971, 1096, 1942, 2329, 3884, 4658, 7768, 9316, 16507, 18632, 33014, 66028, 132056, 133027, 266054, 532108, 1064216, 2261459, 4522918, 9045836, 18091672]

約数ペア:

[(1, 18091672), (2, 9045836), (4, 4522918), (8, 2261459), (17, 1064216), (34, 532108), (68, 266054), (136, 133027), (137, 132056), (274, 66028), (548, 33014), (971, 18632), (1096, 16507), (1942, 9316), (2329, 7768), (3884, 4658)]