18078004

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{233}}^1$

素因数の和:424

約数の個数: 48

約数和(自身を含む): 38683008

約数和(自身を除く): 20605004

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 163, 233, 238, 326, 466, 476, 652, 932, 1141, 1631, 2282, 2771, 3262, 3961, 4564, 5542, 6524, 7922, 11084, 15844, 19397, 27727, 37979, 38794, 55454, 75958, 77588, 110908, 151916, 265853, 531706, 645643, 1063412, 1291286, 2582572, 4519501, 9039002, 18078004]

約数ペア:

[(1, 18078004), (2, 9039002), (4, 4519501), (7, 2582572), (14, 1291286), (17, 1063412), (28, 645643), (34, 531706), (68, 265853), (119, 151916), (163, 110908), (233, 77588), (238, 75958), (326, 55454), (466, 38794), (476, 37979), (652, 27727), (932, 19397), (1141, 15844), (1631, 11084), (2282, 7922), (2771, 6524), (3262, 5542), (3961, 4564)]