19491350

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{997}}^1$

素因数の和:1049

約数の個数: 48

約数和(自身を含む): 40095648

約数和(自身を除く): 20604298

約数列:

[1, 2, 5, 10, 17, 23, 25, 34, 46, 50, 85, 115, 170, 230, 391, 425, 575, 782, 850, 997, 1150, 1955, 1994, 3910, 4985, 9775, 9970, 16949, 19550, 22931, 24925, 33898, 45862, 49850, 84745, 114655, 169490, 229310, 389827, 423725, 573275, 779654, 847450, 1146550, 1949135, 3898270, 9745675, 19491350]

約数ペア:

[(1, 19491350), (2, 9745675), (5, 3898270), (10, 1949135), (17, 1146550), (23, 847450), (25, 779654), (34, 573275), (46, 423725), (50, 389827), (85, 229310), (115, 169490), (170, 114655), (230, 84745), (391, 49850), (425, 45862), (575, 33898), (782, 24925), (850, 22931), (997, 19550), (1150, 16949), (1955, 9970), (1994, 9775), (3910, 4985)]