18986914

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{4973}}^1$

素因数の和:5081

約数の個数: 16

約数和(自身を含む): 30082752

約数和(自身を除く): 11095838

約数列:

[1, 2, 23, 46, 83, 166, 1909, 3818, 4973, 9946, 114379, 228758, 412759, 825518, 9493457, 18986914]

約数ペア:

[(1, 18986914), (2, 9493457), (23, 825518), (46, 412759), (83, 228758), (166, 114379), (1909, 9946), (3818, 4973)]