18440319

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{233}}^1$

素因数の和:327

約数の個数: 32

約数和(自身を含む): 27316224

約数和(自身を除く): 8875905

約数列:

[1, 3, 23, 31, 37, 69, 93, 111, 233, 699, 713, 851, 1147, 2139, 2553, 3441, 5359, 7223, 8621, 16077, 21669, 25863, 26381, 79143, 166129, 198283, 267251, 498387, 594849, 801753, 6146773, 18440319]

約数ペア:

[(1, 18440319), (3, 6146773), (23, 801753), (31, 594849), (37, 498387), (69, 267251), (93, 198283), (111, 166129), (233, 79143), (699, 26381), (713, 25863), (851, 21669), (1147, 16077), (2139, 8621), (2553, 7223), (3441, 5359)]