19566393

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{1193}}^1$

素因数の和:1285

約数の個数: 32

約数和(自身を含む): 33011712

約数和(自身を除く): 13445319

約数列:

[1, 3, 7, 11, 21, 33, 71, 77, 213, 231, 497, 781, 1193, 1491, 2343, 3579, 5467, 8351, 13123, 16401, 25053, 39369, 84703, 91861, 254109, 275583, 592921, 931733, 1778763, 2795199, 6522131, 19566393]

約数ペア:

[(1, 19566393), (3, 6522131), (7, 2795199), (11, 1778763), (21, 931733), (33, 592921), (71, 275583), (77, 254109), (213, 91861), (231, 84703), (497, 39369), (781, 25053), (1193, 16401), (1491, 13123), (2343, 8351), (3579, 5467)]