19779912

素因数分解:

$2^3\times 3^2\times {\mathrm{19}}^2\times {\mathrm{761}}^1$

素因数の和:811

約数の個数: 72

約数和(自身を含む): 56612790

約数和(自身を除く): 36832878

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 36, 38, 57, 72, 76, 114, 152, 171, 228, 342, 361, 456, 684, 722, 761, 1083, 1368, 1444, 1522, 2166, 2283, 2888, 3044, 3249, 4332, 4566, 6088, 6498, 6849, 8664, 9132, 12996, 13698, 14459, 18264, 25992, 27396, 28918, 43377, 54792, 57836, 86754, 115672, 130131, 173508, 260262, 274721, 347016, 520524, 549442, 824163, 1041048, 1098884, 1648326, 2197768, 2472489, 3296652, 4944978, 6593304, 9889956, 19779912]

約数ペア:

[(1, 19779912), (2, 9889956), (3, 6593304), (4, 4944978), (6, 3296652), (8, 2472489), (9, 2197768), (12, 1648326), (18, 1098884), (19, 1041048), (24, 824163), (36, 549442), (38, 520524), (57, 347016), (72, 274721), (76, 260262), (114, 173508), (152, 130131), (171, 115672), (228, 86754), (342, 57836), (361, 54792), (456, 43377), (684, 28918), (722, 27396), (761, 25992), (1083, 18264), (1368, 14459), (1444, 13698), (1522, 12996), (2166, 9132), (2283, 8664), (2888, 6849), (3044, 6498), (3249, 6088), (4332, 4566)]