19671267

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1$

素因数の和:160

約数の個数: 64

約数和(自身を含む): 35094528

約数和(自身を除く): 15423261

約数列:

[1, 3, 7, 11, 21, 31, 33, 41, 67, 77, 93, 123, 201, 217, 231, 287, 341, 451, 469, 651, 737, 861, 1023, 1271, 1353, 1407, 2077, 2211, 2387, 2747, 3157, 3813, 5159, 6231, 7161, 8241, 8897, 9471, 13981, 14539, 15477, 19229, 22847, 26691, 30217, 41943, 43617, 57687, 68541, 85157, 90651, 97867, 159929, 211519, 255471, 293601, 479787, 596099, 634557, 936727, 1788297, 2810181, 6557089, 19671267]

約数ペア:

[(1, 19671267), (3, 6557089), (7, 2810181), (11, 1788297), (21, 936727), (31, 634557), (33, 596099), (41, 479787), (67, 293601), (77, 255471), (93, 211519), (123, 159929), (201, 97867), (217, 90651), (231, 85157), (287, 68541), (341, 57687), (451, 43617), (469, 41943), (651, 30217), (737, 26691), (861, 22847), (1023, 19229), (1271, 15477), (1353, 14539), (1407, 13981), (2077, 9471), (2211, 8897), (2387, 8241), (2747, 7161), (3157, 6231), (3813, 5159)]