18743530

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{4651}}^1$

素因数の和:4702

約数の個数: 32

約数和(自身を含む): 37513728

約数和(自身を除く): 18770198

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 4651, 9302, 23255, 46510, 60463, 120926, 144181, 288362, 302315, 604630, 720905, 1441810, 1874353, 3748706, 9371765, 18743530]

約数ペア:

[(1, 18743530), (2, 9371765), (5, 3748706), (10, 1874353), (13, 1441810), (26, 720905), (31, 604630), (62, 302315), (65, 288362), (130, 144181), (155, 120926), (310, 60463), (403, 46510), (806, 23255), (2015, 9302), (4030, 4651)]