18744057

素因数分解:

$3^2\times {\mathrm{23}}^2\times {\mathrm{31}}^1\times {\mathrm{127}}^1$

素因数の和:210

約数の個数: 36

約数和(自身を含む): 29446144

約数和(自身を除く): 10702087

約数列:

[1, 3, 9, 23, 31, 69, 93, 127, 207, 279, 381, 529, 713, 1143, 1587, 2139, 2921, 3937, 4761, 6417, 8763, 11811, 16399, 26289, 35433, 49197, 67183, 90551, 147591, 201549, 271653, 604647, 814959, 2082673, 6248019, 18744057]

約数ペア:

[(1, 18744057), (3, 6248019), (9, 2082673), (23, 814959), (31, 604647), (69, 271653), (93, 201549), (127, 147591), (207, 90551), (279, 67183), (381, 49197), (529, 35433), (713, 26289), (1143, 16399), (1587, 11811), (2139, 8763), (2921, 6417), (3937, 4761)]