18354784

素因数分解:

$2^5\times 7^1\times {\mathrm{67}}^1\times {\mathrm{1223}}^1$

素因数の和:1307

約数の個数: 48

約数和(自身を含む): 41948928

約数和(自身を除く): 23594144

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 67, 112, 134, 224, 268, 469, 536, 938, 1072, 1223, 1876, 2144, 2446, 3752, 4892, 7504, 8561, 9784, 15008, 17122, 19568, 34244, 39136, 68488, 81941, 136976, 163882, 273952, 327764, 573587, 655528, 1147174, 1311056, 2294348, 2622112, 4588696, 9177392, 18354784]

約数ペア:

[(1, 18354784), (2, 9177392), (4, 4588696), (7, 2622112), (8, 2294348), (14, 1311056), (16, 1147174), (28, 655528), (32, 573587), (56, 327764), (67, 273952), (112, 163882), (134, 136976), (224, 81941), (268, 68488), (469, 39136), (536, 34244), (938, 19568), (1072, 17122), (1223, 15008), (1876, 9784), (2144, 8561), (2446, 7504), (3752, 4892)]