18985077

素因数分解:

$3^3\times {\mathrm{53}}^1\times {\mathrm{13267}}^1$

素因数の和:13329

約数の個数: 16

約数和(自身を含む): 28658880

約数和(自身を除く): 9673803

約数列:

[1, 3, 9, 27, 53, 159, 477, 1431, 13267, 39801, 119403, 358209, 703151, 2109453, 6328359, 18985077]

約数ペア:

[(1, 18985077), (3, 6328359), (9, 2109453), (27, 703151), (53, 358209), (159, 119403), (477, 39801), (1431, 13267)]