18296709

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{139}}^1$

素因数の和:277

約数の個数: 32

約数和(自身を含む): 27216000

約数和(自身を除く): 8919291

約数列:

[1, 3, 17, 29, 51, 87, 89, 139, 267, 417, 493, 1479, 1513, 2363, 2581, 4031, 4539, 7089, 7743, 12093, 12371, 37113, 43877, 68527, 131631, 205581, 210307, 358759, 630921, 1076277, 6098903, 18296709]

約数ペア:

[(1, 18296709), (3, 6098903), (17, 1076277), (29, 630921), (51, 358759), (87, 210307), (89, 205581), (139, 131631), (267, 68527), (417, 43877), (493, 37113), (1479, 12371), (1513, 12093), (2363, 7743), (2581, 7089), (4031, 4539)]