19216015

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{269}}^1$

素因数の和:451

約数の個数: 32

約数和(自身を含む): 28667520

約数和(自身を除く): 9451505

約数列:

[1, 5, 7, 13, 35, 65, 91, 157, 269, 455, 785, 1099, 1345, 1883, 2041, 3497, 5495, 9415, 10205, 14287, 17485, 24479, 42233, 71435, 122395, 211165, 295631, 549029, 1478155, 2745145, 3843203, 19216015]

約数ペア:

[(1, 19216015), (5, 3843203), (7, 2745145), (13, 1478155), (35, 549029), (65, 295631), (91, 211165), (157, 122395), (269, 71435), (455, 42233), (785, 24479), (1099, 17485), (1345, 14287), (1883, 10205), (2041, 9415), (3497, 5495)]