19254115

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{107}}^1$

素因数の和:231

約数の個数: 32

約数和(自身を含む): 25894080

約数和(自身を除く): 6639965

約数列:

[1, 5, 17, 29, 73, 85, 107, 145, 365, 493, 535, 1241, 1819, 2117, 2465, 3103, 6205, 7811, 9095, 10585, 15515, 35989, 39055, 52751, 132787, 179945, 226519, 263755, 663935, 1132595, 3850823, 19254115]

約数ペア:

[(1, 19254115), (5, 3850823), (17, 1132595), (29, 663935), (73, 263755), (85, 226519), (107, 179945), (145, 132787), (365, 52751), (493, 39055), (535, 35989), (1241, 15515), (1819, 10585), (2117, 9095), (2465, 7811), (3103, 6205)]