18809888

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{487}}^1$

素因数の和:585

約数の個数: 48

約数和(自身を含む): 39844224

約数和(自身を除く): 21034336

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 71, 136, 142, 272, 284, 487, 544, 568, 974, 1136, 1207, 1948, 2272, 2414, 3896, 4828, 7792, 8279, 9656, 15584, 16558, 19312, 33116, 34577, 38624, 66232, 69154, 132464, 138308, 264928, 276616, 553232, 587809, 1106464, 1175618, 2351236, 4702472, 9404944, 18809888]

約数ペア:

[(1, 18809888), (2, 9404944), (4, 4702472), (8, 2351236), (16, 1175618), (17, 1106464), (32, 587809), (34, 553232), (68, 276616), (71, 264928), (136, 138308), (142, 132464), (272, 69154), (284, 66232), (487, 38624), (544, 34577), (568, 33116), (974, 19312), (1136, 16558), (1207, 15584), (1948, 9656), (2272, 8279), (2414, 7792), (3896, 4828)]