19543761

素因数分解:

$3^6\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1$

素因数の和:137

約数の個数: 56

約数和(自身を含む): 33052320

約数和(自身を除く): 13508559

約数列:

[1, 3, 9, 17, 19, 27, 51, 57, 81, 83, 153, 171, 243, 249, 323, 459, 513, 729, 747, 969, 1377, 1411, 1539, 1577, 2241, 2907, 4131, 4233, 4617, 4731, 6723, 8721, 12393, 12699, 13851, 14193, 20169, 26163, 26809, 38097, 42579, 60507, 78489, 80427, 114291, 127737, 235467, 241281, 342873, 383211, 723843, 1028619, 1149633, 2171529, 6514587, 19543761]

約数ペア:

[(1, 19543761), (3, 6514587), (9, 2171529), (17, 1149633), (19, 1028619), (27, 723843), (51, 383211), (57, 342873), (81, 241281), (83, 235467), (153, 127737), (171, 114291), (243, 80427), (249, 78489), (323, 60507), (459, 42579), (513, 38097), (729, 26809), (747, 26163), (969, 20169), (1377, 14193), (1411, 13851), (1539, 12699), (1577, 12393), (2241, 8721), (2907, 6723), (4131, 4731), (4233, 4617)]