19035891

素因数分解:

$3^5\times 7^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1$

素因数の和:91

約数の個数: 72

約数和(自身を含む): 35503104

約数和(自身を除く): 16467213

約数列:

[1, 3, 7, 9, 19, 21, 27, 31, 57, 63, 81, 93, 133, 171, 189, 217, 243, 279, 361, 399, 513, 567, 589, 651, 837, 1083, 1197, 1539, 1701, 1767, 1953, 2511, 2527, 3249, 3591, 4123, 4617, 5301, 5859, 7533, 7581, 9747, 10773, 11191, 12369, 15903, 17577, 22743, 29241, 32319, 33573, 37107, 47709, 52731, 68229, 78337, 87723, 100719, 111321, 143127, 204687, 235011, 302157, 333963, 614061, 705033, 906471, 1001889, 2115099, 2719413, 6345297, 19035891]

約数ペア:

[(1, 19035891), (3, 6345297), (7, 2719413), (9, 2115099), (19, 1001889), (21, 906471), (27, 705033), (31, 614061), (57, 333963), (63, 302157), (81, 235011), (93, 204687), (133, 143127), (171, 111321), (189, 100719), (217, 87723), (243, 78337), (279, 68229), (361, 52731), (399, 47709), (513, 37107), (567, 33573), (589, 32319), (651, 29241), (837, 22743), (1083, 17577), (1197, 15903), (1539, 12369), (1701, 11191), (1767, 10773), (1953, 9747), (2511, 7581), (2527, 7533), (3249, 5859), (3591, 5301), (4123, 4617)]