18679395

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{4339}}^1$

素因数の和:4395

約数の個数: 32

約数和(自身を含む): 34997760

約数和(自身を除く): 16318365

約数列:

[1, 3, 5, 7, 15, 21, 35, 41, 105, 123, 205, 287, 615, 861, 1435, 4305, 4339, 13017, 21695, 30373, 65085, 91119, 151865, 177899, 455595, 533697, 889495, 1245293, 2668485, 3735879, 6226465, 18679395]

約数ペア:

[(1, 18679395), (3, 6226465), (5, 3735879), (7, 2668485), (15, 1245293), (21, 889495), (35, 533697), (41, 455595), (105, 177899), (123, 151865), (205, 91119), (287, 65085), (615, 30373), (861, 21695), (1435, 13017), (4305, 4339)]