19197339

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{797}}^1$

素因数の和:875

約数の個数: 32

約数和(自身を含む): 31051776

約数和(自身を除く): 11854437

約数列:

[1, 3, 7, 21, 31, 37, 93, 111, 217, 259, 651, 777, 797, 1147, 2391, 3441, 5579, 8029, 16737, 24087, 24707, 29489, 74121, 88467, 172949, 206423, 518847, 619269, 914159, 2742477, 6399113, 19197339]

約数ペア:

[(1, 19197339), (3, 6399113), (7, 2742477), (21, 914159), (31, 619269), (37, 518847), (93, 206423), (111, 172949), (217, 88467), (259, 74121), (651, 29489), (777, 24707), (797, 24087), (1147, 16737), (2391, 8029), (3441, 5579)]