18261760

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1297}}^1$

素因数の和:1329

約数の個数: 72

約数和(自身を含む): 47756016

約数和(自身を除く): 29494256

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 220, 256, 320, 352, 440, 640, 704, 880, 1280, 1297, 1408, 1760, 2594, 2816, 3520, 5188, 6485, 7040, 10376, 12970, 14080, 14267, 20752, 25940, 28534, 41504, 51880, 57068, 71335, 83008, 103760, 114136, 142670, 166016, 207520, 228272, 285340, 332032, 415040, 456544, 570680, 830080, 913088, 1141360, 1660160, 1826176, 2282720, 3652352, 4565440, 9130880, 18261760]

約数ペア:

[(1, 18261760), (2, 9130880), (4, 4565440), (5, 3652352), (8, 2282720), (10, 1826176), (11, 1660160), (16, 1141360), (20, 913088), (22, 830080), (32, 570680), (40, 456544), (44, 415040), (55, 332032), (64, 285340), (80, 228272), (88, 207520), (110, 166016), (128, 142670), (160, 114136), (176, 103760), (220, 83008), (256, 71335), (320, 57068), (352, 51880), (440, 41504), (640, 28534), (704, 25940), (880, 20752), (1280, 14267), (1297, 14080), (1408, 12970), (1760, 10376), (2594, 7040), (2816, 6485), (3520, 5188)]