18638312

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{383}}^1$

素因数の和:486

約数の個数: 64

約数和(自身を含む): 44236800

約数和(自身を除く): 25598488

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 77, 79, 88, 154, 158, 308, 316, 383, 553, 616, 632, 766, 869, 1106, 1532, 1738, 2212, 2681, 3064, 3476, 4213, 4424, 5362, 6083, 6952, 8426, 10724, 12166, 16852, 21448, 24332, 29491, 30257, 33704, 48664, 58982, 60514, 117964, 121028, 211799, 235928, 242056, 332827, 423598, 665654, 847196, 1331308, 1694392, 2329789, 2662616, 4659578, 9319156, 18638312]

約数ペア:

[(1, 18638312), (2, 9319156), (4, 4659578), (7, 2662616), (8, 2329789), (11, 1694392), (14, 1331308), (22, 847196), (28, 665654), (44, 423598), (56, 332827), (77, 242056), (79, 235928), (88, 211799), (154, 121028), (158, 117964), (308, 60514), (316, 58982), (383, 48664), (553, 33704), (616, 30257), (632, 29491), (766, 24332), (869, 21448), (1106, 16852), (1532, 12166), (1738, 10724), (2212, 8426), (2681, 6952), (3064, 6083), (3476, 5362), (4213, 4424)]