19247085

素因数分解:

$3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{997}}^1$

素因数の和:1035

約数の個数: 64

約数和(自身を含む): 40239360

約数和(自身を除く): 20992275

約数列:

[1, 3, 5, 9, 11, 13, 15, 27, 33, 39, 45, 55, 65, 99, 117, 135, 143, 165, 195, 297, 351, 429, 495, 585, 715, 997, 1287, 1485, 1755, 2145, 2991, 3861, 4985, 6435, 8973, 10967, 12961, 14955, 19305, 26919, 32901, 38883, 44865, 54835, 64805, 98703, 116649, 134595, 142571, 164505, 194415, 296109, 349947, 427713, 493515, 583245, 712855, 1283139, 1480545, 1749735, 2138565, 3849417, 6415695, 19247085]

約数ペア:

[(1, 19247085), (3, 6415695), (5, 3849417), (9, 2138565), (11, 1749735), (13, 1480545), (15, 1283139), (27, 712855), (33, 583245), (39, 493515), (45, 427713), (55, 349947), (65, 296109), (99, 194415), (117, 164505), (135, 142571), (143, 134595), (165, 116649), (195, 98703), (297, 64805), (351, 54835), (429, 44865), (495, 38883), (585, 32901), (715, 26919), (997, 19305), (1287, 14955), (1485, 12961), (1755, 10967), (2145, 8973), (2991, 6435), (3861, 4985)]