19937962

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{9343}}^1$

素因数の和:9453

約数の個数: 16

約数和(自身を含む): 32965632

約数和(自身を除く): 13027670

約数列:

[1, 2, 11, 22, 97, 194, 1067, 2134, 9343, 18686, 102773, 205546, 906271, 1812542, 9968981, 19937962]

約数ペア:

[(1, 19937962), (2, 9968981), (11, 1812542), (22, 906271), (97, 205546), (194, 102773), (1067, 18686), (2134, 9343)]