19168870

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{251}}^1\times {\mathrm{1091}}^1$

素因数の和:1356

約数の個数: 32

約数和(自身を含む): 39626496

約数和(自身を除く): 20457626

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 251, 502, 1091, 1255, 1757, 2182, 2510, 3514, 5455, 7637, 8785, 10910, 15274, 17570, 38185, 76370, 273841, 547682, 1369205, 1916887, 2738410, 3833774, 9584435, 19168870]

約数ペア:

[(1, 19168870), (2, 9584435), (5, 3833774), (7, 2738410), (10, 1916887), (14, 1369205), (35, 547682), (70, 273841), (251, 76370), (502, 38185), (1091, 17570), (1255, 15274), (1757, 10910), (2182, 8785), (2510, 7637), (3514, 5455)]