19907983869

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{1321}}^1\times {\mathrm{70753}}^1$

素因数の和:72148

約数の個数: 16

約数和(自身を含む): 26938594944

約数和(自身を除く): 7030611075

約数列:

[1, 3, 71, 213, 1321, 3963, 70753, 93791, 212259, 281373, 5023463, 15070389, 93464713, 280394139, 6635994623, 19907983869]

約数ペア:

[(1, 19907983869), (3, 6635994623), (71, 280394139), (213, 93464713), (1321, 15070389), (3963, 5023463), (70753, 281373), (93791, 212259)]