18664638

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{211}}^1\times {\mathrm{641}}^1$

素因数の和:880

約数の個数: 32

約数和(自身を含む): 39197952

約数和(自身を除く): 20533314

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 211, 422, 633, 641, 1266, 1282, 1923, 3846, 4853, 9706, 14559, 14743, 29118, 29486, 44229, 88458, 135251, 270502, 405753, 811506, 3110773, 6221546, 9332319, 18664638]

約数ペア:

[(1, 18664638), (2, 9332319), (3, 6221546), (6, 3110773), (23, 811506), (46, 405753), (69, 270502), (138, 135251), (211, 88458), (422, 44229), (633, 29486), (641, 29118), (1266, 14743), (1282, 14559), (1923, 9706), (3846, 4853)]