18962607

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1$

素因数の和:231

約数の個数: 32

約数和(自身を含む): 27648000

約数和(自身を除く): 8685393

約数列:

[1, 3, 29, 31, 79, 87, 89, 93, 237, 267, 899, 2291, 2449, 2581, 2697, 2759, 6873, 7031, 7347, 7743, 8277, 21093, 71021, 80011, 203899, 213063, 217961, 240033, 611697, 653883, 6320869, 18962607]

約数ペア:

[(1, 18962607), (3, 6320869), (29, 653883), (31, 611697), (79, 240033), (87, 217961), (89, 213063), (93, 203899), (237, 80011), (267, 71021), (899, 21093), (2291, 8277), (2449, 7743), (2581, 7347), (2697, 7031), (2759, 6873)]