19540854

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{3361}}^1$

素因数の和:3405

約数の個数: 48

約数和(自身を含む): 47202480

約数和(自身を除く): 27661626

約数列:

[1, 2, 3, 6, 9, 17, 18, 19, 34, 38, 51, 57, 102, 114, 153, 171, 306, 323, 342, 646, 969, 1938, 2907, 3361, 5814, 6722, 10083, 20166, 30249, 57137, 60498, 63859, 114274, 127718, 171411, 191577, 342822, 383154, 514233, 574731, 1028466, 1085603, 1149462, 2171206, 3256809, 6513618, 9770427, 19540854]

約数ペア:

[(1, 19540854), (2, 9770427), (3, 6513618), (6, 3256809), (9, 2171206), (17, 1149462), (18, 1085603), (19, 1028466), (34, 574731), (38, 514233), (51, 383154), (57, 342822), (102, 191577), (114, 171411), (153, 127718), (171, 114274), (306, 63859), (323, 60498), (342, 57137), (646, 30249), (969, 20166), (1938, 10083), (2907, 6722), (3361, 5814)]