2018870

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{191}}^1$

素因数の和:356

約数の個数: 32

約数和(自身を含む): 4202496

約数和(自身を除く): 2183626

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 151, 191, 302, 382, 755, 955, 1057, 1337, 1510, 1910, 2114, 2674, 5285, 6685, 10570, 13370, 28841, 57682, 144205, 201887, 288410, 403774, 1009435, 2018870]

約数ペア:

[(1, 2018870), (2, 1009435), (5, 403774), (7, 288410), (10, 201887), (14, 144205), (35, 57682), (70, 28841), (151, 13370), (191, 10570), (302, 6685), (382, 5285), (755, 2674), (955, 2114), (1057, 1910), (1337, 1510)]