18731042

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{157}}^1$

素因数の和:227

約数の個数: 48

約数和(自身を含む): 34042680

約数和(自身を除く): 15311638

約数列:

[1, 2, 11, 17, 22, 29, 34, 58, 121, 157, 187, 242, 314, 319, 374, 493, 638, 986, 1727, 2057, 2669, 3454, 3509, 4114, 4553, 5338, 5423, 7018, 9106, 10846, 18997, 29359, 37994, 50083, 58718, 59653, 77401, 100166, 119306, 154802, 322949, 550913, 645898, 851411, 1101826, 1702822, 9365521, 18731042]

約数ペア:

[(1, 18731042), (2, 9365521), (11, 1702822), (17, 1101826), (22, 851411), (29, 645898), (34, 550913), (58, 322949), (121, 154802), (157, 119306), (187, 100166), (242, 77401), (314, 59653), (319, 58718), (374, 50083), (493, 37994), (638, 29359), (986, 18997), (1727, 10846), (2057, 9106), (2669, 7018), (3454, 5423), (3509, 5338), (4114, 4553)]