19558600

素因数分解:

$2^3\times 5^2\times {\mathrm{19}}^1\times {\mathrm{5147}}^1$

素因数の和:5182

約数の個数: 48

約数和(自身を含む): 47876400

約数和(自身を除く): 28317800

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 25, 38, 40, 50, 76, 95, 100, 152, 190, 200, 380, 475, 760, 950, 1900, 3800, 5147, 10294, 20588, 25735, 41176, 51470, 97793, 102940, 128675, 195586, 205880, 257350, 391172, 488965, 514700, 782344, 977930, 1029400, 1955860, 2444825, 3911720, 4889650, 9779300, 19558600]

約数ペア:

[(1, 19558600), (2, 9779300), (4, 4889650), (5, 3911720), (8, 2444825), (10, 1955860), (19, 1029400), (20, 977930), (25, 782344), (38, 514700), (40, 488965), (50, 391172), (76, 257350), (95, 205880), (100, 195586), (152, 128675), (190, 102940), (200, 97793), (380, 51470), (475, 41176), (760, 25735), (950, 20588), (1900, 10294), (3800, 5147)]