19660278

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{3347}}^1$

素因数の和:3452

約数の個数: 32

約数和(自身を含む): 43390080

約数和(自身を除く): 23729802

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 89, 178, 267, 534, 979, 1958, 2937, 3347, 5874, 6694, 10041, 20082, 36817, 73634, 110451, 220902, 297883, 595766, 893649, 1787298, 3276713, 6553426, 9830139, 19660278]

約数ペア:

[(1, 19660278), (2, 9830139), (3, 6553426), (6, 3276713), (11, 1787298), (22, 893649), (33, 595766), (66, 297883), (89, 220902), (178, 110451), (267, 73634), (534, 36817), (979, 20082), (1958, 10041), (2937, 6694), (3347, 5874)]