18363191

素因数分解:

$7^3\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1$

素因数の和:220

約数の個数: 32

約数和(自身を含む): 24268800

約数和(自身を除く): 5905609

約数列:

[1, 7, 11, 31, 49, 77, 157, 217, 341, 343, 539, 1099, 1519, 1727, 2387, 3773, 4867, 7693, 10633, 12089, 16709, 34069, 53537, 53851, 84623, 116963, 238483, 374759, 592361, 1669381, 2623313, 18363191]

約数ペア:

[(1, 18363191), (7, 2623313), (11, 1669381), (31, 592361), (49, 374759), (77, 238483), (157, 116963), (217, 84623), (341, 53851), (343, 53537), (539, 34069), (1099, 16709), (1519, 12089), (1727, 10633), (2387, 7693), (3773, 4867)]