19413657

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{467}}^1$

素因数の和:653

約数の個数: 24

約数和(自身を含む): 29203200

約数和(自身を除く): 9789543

約数列:

[1, 3, 9, 31, 93, 149, 279, 447, 467, 1341, 1401, 4203, 4619, 13857, 14477, 41571, 43431, 69583, 130293, 208749, 626247, 2157073, 6471219, 19413657]

約数ペア:

[(1, 19413657), (3, 6471219), (9, 2157073), (31, 626247), (93, 208749), (149, 130293), (279, 69583), (447, 43431), (467, 41571), (1341, 14477), (1401, 13857), (4203, 4619)]