19202128

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{109103}}^1$

素因数の和:109122

約数の個数: 20

約数和(自身を含む): 40586688

約数和(自身を除く): 21384560

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 109103, 218206, 436412, 872824, 1200133, 1745648, 2400266, 4800532, 9601064, 19202128]

約数ペア:

[(1, 19202128), (2, 9601064), (4, 4800532), (8, 2400266), (11, 1745648), (16, 1200133), (22, 872824), (44, 436412), (88, 218206), (176, 109103)]