18066664

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{211}}^1$

素因数の和:374

約数の個数: 64

約数和(自身を含む): 42739200

約数和(自身を除く): 24672536

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 77, 88, 139, 154, 211, 278, 308, 422, 556, 616, 844, 973, 1112, 1477, 1529, 1688, 1946, 2321, 2954, 3058, 3892, 4642, 5908, 6116, 7784, 9284, 10703, 11816, 12232, 16247, 18568, 21406, 29329, 32494, 42812, 58658, 64988, 85624, 117316, 129976, 205303, 234632, 322619, 410606, 645238, 821212, 1290476, 1642424, 2258333, 2580952, 4516666, 9033332, 18066664]

約数ペア:

[(1, 18066664), (2, 9033332), (4, 4516666), (7, 2580952), (8, 2258333), (11, 1642424), (14, 1290476), (22, 821212), (28, 645238), (44, 410606), (56, 322619), (77, 234632), (88, 205303), (139, 129976), (154, 117316), (211, 85624), (278, 64988), (308, 58658), (422, 42812), (556, 32494), (616, 29329), (844, 21406), (973, 18568), (1112, 16247), (1477, 12232), (1529, 11816), (1688, 10703), (1946, 9284), (2321, 7784), (2954, 6116), (3058, 5908), (3892, 4642)]