19848208

素因数分解:

$2^4\times {\mathrm{541}}^1\times {\mathrm{2293}}^1$

素因数の和:2842

約数の個数: 20

約数和(自身を含む): 38543788

約数和(自身を除く): 18695580

約数列:

[1, 2, 4, 8, 16, 541, 1082, 2164, 2293, 4328, 4586, 8656, 9172, 18344, 36688, 1240513, 2481026, 4962052, 9924104, 19848208]

約数ペア:

[(1, 19848208), (2, 9924104), (4, 4962052), (8, 2481026), (16, 1240513), (541, 36688), (1082, 18344), (2164, 9172), (2293, 8656), (4328, 4586)]