18327320

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1811}}^1$

素因数の和:1856

約数の個数: 64

約数和(自身を含む): 46967040

約数和(自身を除く): 28639720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 23, 40, 44, 46, 55, 88, 92, 110, 115, 184, 220, 230, 253, 440, 460, 506, 920, 1012, 1265, 1811, 2024, 2530, 3622, 5060, 7244, 9055, 10120, 14488, 18110, 19921, 36220, 39842, 41653, 72440, 79684, 83306, 99605, 159368, 166612, 199210, 208265, 333224, 398420, 416530, 458183, 796840, 833060, 916366, 1666120, 1832732, 2290915, 3665464, 4581830, 9163660, 18327320]

約数ペア:

[(1, 18327320), (2, 9163660), (4, 4581830), (5, 3665464), (8, 2290915), (10, 1832732), (11, 1666120), (20, 916366), (22, 833060), (23, 796840), (40, 458183), (44, 416530), (46, 398420), (55, 333224), (88, 208265), (92, 199210), (110, 166612), (115, 159368), (184, 99605), (220, 83306), (230, 79684), (253, 72440), (440, 41653), (460, 39842), (506, 36220), (920, 19921), (1012, 18110), (1265, 14488), (1811, 10120), (2024, 9055), (2530, 7244), (3622, 5060)]