19005113104

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{28971209}}^1$

素因数の和:28971258

約数の個数: 20

約数和(自身を含む): 37720515420

約数和(自身を除く): 18715402316

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 28971209, 57942418, 115884836, 231769672, 463539344, 1187819569, 2375639138, 4751278276, 9502556552, 19005113104]

約数ペア:

[(1, 19005113104), (2, 9502556552), (4, 4751278276), (8, 2375639138), (16, 1187819569), (41, 463539344), (82, 231769672), (164, 115884836), (328, 57942418), (656, 28971209)]