18424784

素因数分解:

$2^4\times 7^2\times {\mathrm{71}}^1\times {\mathrm{331}}^1$

素因数の和:424

約数の個数: 60

約数和(自身を含む): 42238368

約数和(自身を除く): 23813584

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 71, 98, 112, 142, 196, 284, 331, 392, 497, 568, 662, 784, 994, 1136, 1324, 1988, 2317, 2648, 3479, 3976, 4634, 5296, 6958, 7952, 9268, 13916, 16219, 18536, 23501, 27832, 32438, 37072, 47002, 55664, 64876, 94004, 129752, 164507, 188008, 259504, 329014, 376016, 658028, 1151549, 1316056, 2303098, 2632112, 4606196, 9212392, 18424784]

約数ペア:

[(1, 18424784), (2, 9212392), (4, 4606196), (7, 2632112), (8, 2303098), (14, 1316056), (16, 1151549), (28, 658028), (49, 376016), (56, 329014), (71, 259504), (98, 188008), (112, 164507), (142, 129752), (196, 94004), (284, 64876), (331, 55664), (392, 47002), (497, 37072), (568, 32438), (662, 27832), (784, 23501), (994, 18536), (1136, 16219), (1324, 13916), (1988, 9268), (2317, 7952), (2648, 6958), (3479, 5296), (3976, 4634)]