19105345

素因数分解:

$5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{2689}}^1$

素因数の和:2737

約数の個数: 24

約数和(自身を含む): 27599400

約数和(自身を除く): 8494055

約数列:

[1, 5, 7, 29, 35, 49, 145, 203, 245, 1015, 1421, 2689, 7105, 13445, 18823, 77981, 94115, 131761, 389905, 545867, 658805, 2729335, 3821069, 19105345]

約数ペア:

[(1, 19105345), (5, 3821069), (7, 2729335), (29, 658805), (35, 545867), (49, 389905), (145, 131761), (203, 94115), (245, 77981), (1015, 18823), (1421, 13445), (2689, 7105)]