19918734

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{3391}}^1$

素因数の和:3496

約数の個数: 32

約数和(自身を含む): 43960320

約数和(自身を除く): 24041586

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 89, 178, 267, 534, 979, 1958, 2937, 3391, 5874, 6782, 10173, 20346, 37301, 74602, 111903, 223806, 301799, 603598, 905397, 1810794, 3319789, 6639578, 9959367, 19918734]

約数ペア:

[(1, 19918734), (2, 9959367), (3, 6639578), (6, 3319789), (11, 1810794), (22, 905397), (33, 603598), (66, 301799), (89, 223806), (178, 111903), (267, 74602), (534, 37301), (979, 20346), (1958, 10173), (2937, 6782), (3391, 5874)]