19680228

素因数分解:

$2^2\times 3^2\times {\mathrm{563}}^1\times {\mathrm{971}}^1$

素因数の和:1544

約数の個数: 36

約数和(自身を含む): 49886928

約数和(自身を除く): 30206700

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 563, 971, 1126, 1689, 1942, 2252, 2913, 3378, 3884, 5067, 5826, 6756, 8739, 10134, 11652, 17478, 20268, 34956, 546673, 1093346, 1640019, 2186692, 3280038, 4920057, 6560076, 9840114, 19680228]

約数ペア:

[(1, 19680228), (2, 9840114), (3, 6560076), (4, 4920057), (6, 3280038), (9, 2186692), (12, 1640019), (18, 1093346), (36, 546673), (563, 34956), (971, 20268), (1126, 17478), (1689, 11652), (1942, 10134), (2252, 8739), (2913, 6756), (3378, 5826), (3884, 5067)]