18895527

素因数分解:

$3^2\times 7^3\times {\mathrm{6121}}^1$

素因数の和:6148

約数の個数: 24

約数和(自身を含む): 31834400

約数和(自身を除く): 12938873

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 343, 441, 1029, 3087, 6121, 18363, 42847, 55089, 128541, 299929, 385623, 899787, 2099503, 2699361, 6298509, 18895527]

約数ペア:

[(1, 18895527), (3, 6298509), (7, 2699361), (9, 2099503), (21, 899787), (49, 385623), (63, 299929), (147, 128541), (343, 55089), (441, 42847), (1029, 18363), (3087, 6121)]