18601495

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{113}}^1$

素因数の和:243

約数の個数: 32

約数和(自身を含む): 25510464

約数和(自身を除く): 6908969

約数列:

[1, 5, 11, 41, 55, 73, 113, 205, 365, 451, 565, 803, 1243, 2255, 2993, 4015, 4633, 6215, 8249, 14965, 23165, 32923, 41245, 50963, 90739, 164615, 254815, 338209, 453695, 1691045, 3720299, 18601495]

約数ペア:

[(1, 18601495), (5, 3720299), (11, 1691045), (41, 453695), (55, 338209), (73, 254815), (113, 164615), (205, 90739), (365, 50963), (451, 41245), (565, 32923), (803, 23165), (1243, 14965), (2255, 8249), (2993, 6215), (4015, 4633)]