19306544

素因数分解:

$2^4\times {\mathrm{139}}^1\times {\mathrm{8681}}^1$

素因数の和:8828

約数の個数: 20

約数和(自身を含む): 37679880

約数和(自身を除く): 18373336

約数列:

[1, 2, 4, 8, 16, 139, 278, 556, 1112, 2224, 8681, 17362, 34724, 69448, 138896, 1206659, 2413318, 4826636, 9653272, 19306544]

約数ペア:

[(1, 19306544), (2, 9653272), (4, 4826636), (8, 2413318), (16, 1206659), (139, 138896), (278, 69448), (556, 34724), (1112, 17362), (2224, 8681)]