19420072

素因数分解:

$2^3\times 7^2\times {\mathrm{107}}^1\times {\mathrm{463}}^1$

素因数の和:590

約数の個数: 48

約数和(自身を含む): 42845760

約数和(自身を除く): 23425688

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 107, 196, 214, 392, 428, 463, 749, 856, 926, 1498, 1852, 2996, 3241, 3704, 5243, 5992, 6482, 10486, 12964, 20972, 22687, 25928, 41944, 45374, 49541, 90748, 99082, 181496, 198164, 346787, 396328, 693574, 1387148, 2427509, 2774296, 4855018, 9710036, 19420072]

約数ペア:

[(1, 19420072), (2, 9710036), (4, 4855018), (7, 2774296), (8, 2427509), (14, 1387148), (28, 693574), (49, 396328), (56, 346787), (98, 198164), (107, 181496), (196, 99082), (214, 90748), (392, 49541), (428, 45374), (463, 41944), (749, 25928), (856, 22687), (926, 20972), (1498, 12964), (1852, 10486), (2996, 6482), (3241, 5992), (3704, 5243)]