19451056

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{149}}^1\times {\mathrm{199}}^1$

素因数の和:397

約数の個数: 40

約数和(自身を含む): 39060000

約数和(自身を除く): 19608944

約数列:

[1, 2, 4, 8, 16, 41, 82, 149, 164, 199, 298, 328, 398, 596, 656, 796, 1192, 1592, 2384, 3184, 6109, 8159, 12218, 16318, 24436, 29651, 32636, 48872, 59302, 65272, 97744, 118604, 130544, 237208, 474416, 1215691, 2431382, 4862764, 9725528, 19451056]

約数ペア:

[(1, 19451056), (2, 9725528), (4, 4862764), (8, 2431382), (16, 1215691), (41, 474416), (82, 237208), (149, 130544), (164, 118604), (199, 97744), (298, 65272), (328, 59302), (398, 48872), (596, 32636), (656, 29651), (796, 24436), (1192, 16318), (1592, 12218), (2384, 8159), (3184, 6109)]