20181567678

素因数分解:

$2^1\times 3^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{191}}^1\times {\mathrm{5437}}^1$

素因数の和:5753

約数の個数: 64

約数和(自身を含む): 42097950720

約数和(自身を除く): 21916383042

約数列:

[1, 2, 3, 6, 41, 79, 82, 123, 158, 191, 237, 246, 382, 474, 573, 1146, 3239, 5437, 6478, 7831, 9717, 10874, 15089, 15662, 16311, 19434, 23493, 30178, 32622, 45267, 46986, 90534, 222917, 429523, 445834, 618649, 668751, 859046, 1038467, 1237298, 1288569, 1337502, 1855947, 2076934, 2577138, 3115401, 3711894, 6230802, 17610443, 35220886, 42577147, 52831329, 82038893, 85154294, 105662658, 127731441, 164077786, 246116679, 255462882, 492233358, 3363594613, 6727189226, 10090783839, 20181567678]

約数ペア:

[(1, 20181567678), (2, 10090783839), (3, 6727189226), (6, 3363594613), (41, 492233358), (79, 255462882), (82, 246116679), (123, 164077786), (158, 127731441), (191, 105662658), (237, 85154294), (246, 82038893), (382, 52831329), (474, 42577147), (573, 35220886), (1146, 17610443), (3239, 6230802), (5437, 3711894), (6478, 3115401), (7831, 2577138), (9717, 2076934), (10874, 1855947), (15089, 1337502), (15662, 1288569), (16311, 1237298), (19434, 1038467), (23493, 859046), (30178, 668751), (32622, 618649), (45267, 445834), (46986, 429523), (90534, 222917)]