19323885

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{431}}^1$

素因数の和:514

約数の個数: 48

約数和(自身を含む): 36640512

約数和(自身を除く): 17316627

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 61, 105, 147, 183, 245, 305, 427, 431, 735, 915, 1281, 1293, 2135, 2155, 2989, 3017, 6405, 6465, 8967, 9051, 14945, 15085, 21119, 26291, 44835, 45255, 63357, 78873, 105595, 131455, 184037, 316785, 394365, 552111, 920185, 1288259, 2760555, 3864777, 6441295, 19323885]

約数ペア:

[(1, 19323885), (3, 6441295), (5, 3864777), (7, 2760555), (15, 1288259), (21, 920185), (35, 552111), (49, 394365), (61, 316785), (105, 184037), (147, 131455), (183, 105595), (245, 78873), (305, 63357), (427, 45255), (431, 44835), (735, 26291), (915, 21119), (1281, 15085), (1293, 14945), (2135, 9051), (2155, 8967), (2989, 6465), (3017, 6405)]