18770822

素因数分解:

$2^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{593}}^1$

素因数の和:645

約数の個数: 48

約数和(自身を含む): 36566640

約数和(自身を除く): 17795818

約数列:

[1, 2, 7, 14, 17, 19, 34, 38, 49, 98, 119, 133, 238, 266, 323, 593, 646, 833, 931, 1186, 1666, 1862, 2261, 4151, 4522, 8302, 10081, 11267, 15827, 20162, 22534, 29057, 31654, 58114, 70567, 78869, 141134, 157738, 191539, 383078, 493969, 552083, 987938, 1104166, 1340773, 2681546, 9385411, 18770822]

約数ペア:

[(1, 18770822), (2, 9385411), (7, 2681546), (14, 1340773), (17, 1104166), (19, 987938), (34, 552083), (38, 493969), (49, 383078), (98, 191539), (119, 157738), (133, 141134), (238, 78869), (266, 70567), (323, 58114), (593, 31654), (646, 29057), (833, 22534), (931, 20162), (1186, 15827), (1666, 11267), (1862, 10081), (2261, 8302), (4151, 4522)]