19798840

素因数分解:

$2^3\times 5^1\times {\mathrm{373}}^1\times {\mathrm{1327}}^1$

素因数の和:1711

約数の個数: 32

約数和(自身を含む): 44700480

約数和(自身を除く): 24901640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 373, 746, 1327, 1492, 1865, 2654, 2984, 3730, 5308, 6635, 7460, 10616, 13270, 14920, 26540, 53080, 494971, 989942, 1979884, 2474855, 3959768, 4949710, 9899420, 19798840]

約数ペア:

[(1, 19798840), (2, 9899420), (4, 4949710), (5, 3959768), (8, 2474855), (10, 1979884), (20, 989942), (40, 494971), (373, 53080), (746, 26540), (1327, 14920), (1492, 13270), (1865, 10616), (2654, 7460), (2984, 6635), (3730, 5308)]