19353530

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{127}}^1\times {\mathrm{311}}^1$

素因数の和:459

約数の個数: 48

約数和(自身を含む): 40974336

約数和(自身を除く): 21620806

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 127, 245, 254, 311, 490, 622, 635, 889, 1270, 1555, 1778, 2177, 3110, 4354, 4445, 6223, 8890, 10885, 12446, 15239, 21770, 30478, 31115, 39497, 62230, 76195, 78994, 152390, 197485, 276479, 394970, 552958, 1382395, 1935353, 2764790, 3870706, 9676765, 19353530]

約数ペア:

[(1, 19353530), (2, 9676765), (5, 3870706), (7, 2764790), (10, 1935353), (14, 1382395), (35, 552958), (49, 394970), (70, 276479), (98, 197485), (127, 152390), (245, 78994), (254, 76195), (311, 62230), (490, 39497), (622, 31115), (635, 30478), (889, 21770), (1270, 15239), (1555, 12446), (1778, 10885), (2177, 8890), (3110, 6223), (4354, 4445)]