18211641

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{367}}^1$

素因数の和:533

約数の個数: 32

約数和(自身を含む): 29675520

約数和(自身を除く): 11463879

約数列:

[1, 3, 7, 17, 21, 51, 119, 139, 357, 367, 417, 973, 1101, 2363, 2569, 2919, 6239, 7089, 7707, 16541, 18717, 43673, 49623, 51013, 131019, 153039, 357091, 867221, 1071273, 2601663, 6070547, 18211641]

約数ペア:

[(1, 18211641), (3, 6070547), (7, 2601663), (17, 1071273), (21, 867221), (51, 357091), (119, 153039), (139, 131019), (357, 51013), (367, 49623), (417, 43673), (973, 18717), (1101, 16541), (2363, 7707), (2569, 7089), (2919, 6239)]