19683605

素因数分解:

$5^1\times {\mathrm{29}}^2\times {\mathrm{31}}^1\times {\mathrm{151}}^1$

素因数の和:245

約数の個数: 24

約数和(自身を含む): 25419264

約数和(自身を除く): 5735659

約数列:

[1, 5, 29, 31, 145, 151, 155, 755, 841, 899, 4205, 4379, 4495, 4681, 21895, 23405, 26071, 126991, 130355, 135749, 634955, 678745, 3936721, 19683605]

約数ペア:

[(1, 19683605), (5, 3936721), (29, 678745), (31, 634955), (145, 135749), (151, 130355), (155, 126991), (755, 26071), (841, 23405), (899, 21895), (4205, 4681), (4379, 4495)]