19400048

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{39113}}^1$

素因数の和:39152

約数の個数: 20

約数和(自身を含む): 38801088

約数和(自身を除く): 19401040

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 39113, 78226, 156452, 312904, 625808, 1212503, 2425006, 4850012, 9700024, 19400048]

約数ペア:

[(1, 19400048), (2, 9700024), (4, 4850012), (8, 2425006), (16, 1212503), (31, 625808), (62, 312904), (124, 156452), (248, 78226), (496, 39113)]