19816498

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{691}}^1\times {\mathrm{1103}}^1$

素因数の和:1809

約数の個数: 16

約数和(自身を含む): 32086656

約数和(自身を除く): 12270158

約数列:

[1, 2, 13, 26, 691, 1103, 1382, 2206, 8983, 14339, 17966, 28678, 762173, 1524346, 9908249, 19816498]

約数ペア:

[(1, 19816498), (2, 9908249), (13, 1524346), (26, 762173), (691, 28678), (1103, 17966), (1382, 14339), (2206, 8983)]