18467488

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{431}}^1$

素因数の和:557

約数の個数: 48

約数和(自身を含む): 39626496

約数和(自身を除く): 21159008

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 103, 104, 206, 208, 412, 416, 431, 824, 862, 1339, 1648, 1724, 2678, 3296, 3448, 5356, 5603, 6896, 10712, 11206, 13792, 21424, 22412, 42848, 44393, 44824, 88786, 89648, 177572, 179296, 355144, 577109, 710288, 1154218, 1420576, 2308436, 4616872, 9233744, 18467488]

約数ペア:

[(1, 18467488), (2, 9233744), (4, 4616872), (8, 2308436), (13, 1420576), (16, 1154218), (26, 710288), (32, 577109), (52, 355144), (103, 179296), (104, 177572), (206, 89648), (208, 88786), (412, 44824), (416, 44393), (431, 42848), (824, 22412), (862, 21424), (1339, 13792), (1648, 11206), (1724, 10712), (2678, 6896), (3296, 5603), (3448, 5356)]