18129265

素因数分解:

$5^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{31}}^2$

素因数の和:99

約数の個数: 48

約数和(自身を含む): 28598400

約数和(自身を除く): 10469135

約数列:

[1, 5, 7, 11, 31, 35, 49, 55, 77, 155, 217, 245, 341, 343, 385, 539, 961, 1085, 1519, 1705, 1715, 2387, 2695, 3773, 4805, 6727, 7595, 10571, 10633, 11935, 16709, 18865, 33635, 47089, 52855, 53165, 73997, 83545, 116963, 235445, 329623, 369985, 517979, 584815, 1648115, 2589895, 3625853, 18129265]

約数ペア:

[(1, 18129265), (5, 3625853), (7, 2589895), (11, 1648115), (31, 584815), (35, 517979), (49, 369985), (55, 329623), (77, 235445), (155, 116963), (217, 83545), (245, 73997), (341, 53165), (343, 52855), (385, 47089), (539, 33635), (961, 18865), (1085, 16709), (1519, 11935), (1705, 10633), (1715, 10571), (2387, 7595), (2695, 6727), (3773, 4805)]