19752592990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1123}}^1\times {\mathrm{135301}}^1$

素因数の和:136444

約数の個数: 32

約数和(自身を含む): 38324020896

約数和(自身を除く): 18571427906

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 1123, 2246, 5615, 11230, 14599, 29198, 72995, 135301, 145990, 270602, 676505, 1353010, 1758913, 3517826, 8794565, 17589130, 151943023, 303886046, 759715115, 1519430230, 1975259299, 3950518598, 9876296495, 19752592990]

約数ペア:

[(1, 19752592990), (2, 9876296495), (5, 3950518598), (10, 1975259299), (13, 1519430230), (26, 759715115), (65, 303886046), (130, 151943023), (1123, 17589130), (2246, 8794565), (5615, 3517826), (11230, 1758913), (14599, 1353010), (29198, 676505), (72995, 270602), (135301, 145990)]