18536652760

素因数分解:

$2^3\times 5^1\times {\mathrm{373}}^1\times {\mathrm{1242403}}^1$

素因数の和:1242787

約数の個数: 32

約数和(自身を含む): 41819318640

約数和(自身を除く): 23282665880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 373, 746, 1492, 1865, 2984, 3730, 7460, 14920, 1242403, 2484806, 4969612, 6212015, 9939224, 12424030, 24848060, 49696120, 463416319, 926832638, 1853665276, 2317081595, 3707330552, 4634163190, 9268326380, 18536652760]

約数ペア:

[(1, 18536652760), (2, 9268326380), (4, 4634163190), (5, 3707330552), (8, 2317081595), (10, 1853665276), (20, 926832638), (40, 463416319), (373, 49696120), (746, 24848060), (1492, 12424030), (1865, 9939224), (2984, 6212015), (3730, 4969612), (7460, 2484806), (14920, 1242403)]