18138648

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{541}}^1$

素因数の和:688

約数の個数: 64

約数和(自身を含む): 49950720

約数和(自身を除く): 31812072

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 66, 88, 127, 132, 254, 264, 381, 508, 541, 762, 1016, 1082, 1397, 1524, 1623, 2164, 2794, 3048, 3246, 4191, 4328, 5588, 5951, 6492, 8382, 11176, 11902, 12984, 16764, 17853, 23804, 33528, 35706, 47608, 68707, 71412, 137414, 142824, 206121, 274828, 412242, 549656, 755777, 824484, 1511554, 1648968, 2267331, 3023108, 4534662, 6046216, 9069324, 18138648]

約数ペア:

[(1, 18138648), (2, 9069324), (3, 6046216), (4, 4534662), (6, 3023108), (8, 2267331), (11, 1648968), (12, 1511554), (22, 824484), (24, 755777), (33, 549656), (44, 412242), (66, 274828), (88, 206121), (127, 142824), (132, 137414), (254, 71412), (264, 68707), (381, 47608), (508, 35706), (541, 33528), (762, 23804), (1016, 17853), (1082, 16764), (1397, 12984), (1524, 11902), (1623, 11176), (2164, 8382), (2794, 6492), (3048, 5951), (3246, 5588), (4191, 4328)]