18259899

素因数分解:

$3^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{4007}}^1$

素因数の和:4055

約数の個数: 24

約数和(自身を含む): 29242368

約数和(自身を除く): 10982469

約数列:

[1, 3, 7, 21, 31, 49, 93, 147, 217, 651, 1519, 4007, 4557, 12021, 28049, 84147, 124217, 196343, 372651, 589029, 869519, 2608557, 6086633, 18259899]

約数ペア:

[(1, 18259899), (3, 6086633), (7, 2608557), (21, 869519), (31, 589029), (49, 372651), (93, 196343), (147, 124217), (217, 84147), (651, 28049), (1519, 12021), (4007, 4557)]