19882130

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{683}}^1$

素因数の和:802

約数の個数: 32

約数和(自身を含む): 37231488

約数和(自身を除く): 17349358

約数列:

[1, 2, 5, 10, 41, 71, 82, 142, 205, 355, 410, 683, 710, 1366, 2911, 3415, 5822, 6830, 14555, 28003, 29110, 48493, 56006, 96986, 140015, 242465, 280030, 484930, 1988213, 3976426, 9941065, 19882130]

約数ペア:

[(1, 19882130), (2, 9941065), (5, 3976426), (10, 1988213), (41, 484930), (71, 280030), (82, 242465), (142, 140015), (205, 96986), (355, 56006), (410, 48493), (683, 29110), (710, 28003), (1366, 14555), (2911, 6830), (3415, 5822)]