19219025

素因数分解:

$5^2\times 7^2\times {\mathrm{29}}^1\times {\mathrm{541}}^1$

素因数の和:594

約数の個数: 36

約数和(自身を含む): 28731420

約数和(自身を除く): 9512395

約数列:

[1, 5, 7, 25, 29, 35, 49, 145, 175, 203, 245, 541, 725, 1015, 1225, 1421, 2705, 3787, 5075, 7105, 13525, 15689, 18935, 26509, 35525, 78445, 94675, 109823, 132545, 392225, 549115, 662725, 768761, 2745575, 3843805, 19219025]

約数ペア:

[(1, 19219025), (5, 3843805), (7, 2745575), (25, 768761), (29, 662725), (35, 549115), (49, 392225), (145, 132545), (175, 109823), (203, 94675), (245, 78445), (541, 35525), (725, 26509), (1015, 18935), (1225, 15689), (1421, 13525), (2705, 7105), (3787, 5075)]