19097488

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{277}}^1$

素因数の和:455

約数の個数: 40

約数和(自身を含む): 38608640

約数和(自身を除く): 19511152

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 139, 248, 277, 278, 496, 554, 556, 1108, 1112, 2216, 2224, 4309, 4432, 8587, 8618, 17174, 17236, 34348, 34472, 38503, 68696, 68944, 77006, 137392, 154012, 308024, 616048, 1193593, 2387186, 4774372, 9548744, 19097488]

約数ペア:

[(1, 19097488), (2, 9548744), (4, 4774372), (8, 2387186), (16, 1193593), (31, 616048), (62, 308024), (124, 154012), (139, 137392), (248, 77006), (277, 68944), (278, 68696), (496, 38503), (554, 34472), (556, 34348), (1108, 17236), (1112, 17174), (2216, 8618), (2224, 8587), (4309, 4432)]