19213558

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{229}}^1\times {\mathrm{461}}^1$

素因数の和:712

約数の個数: 32

約数和(自身を含む): 35703360

約数和(自身を除く): 16489802

約数列:

[1, 2, 7, 13, 14, 26, 91, 182, 229, 458, 461, 922, 1603, 2977, 3206, 3227, 5954, 5993, 6454, 11986, 20839, 41678, 41951, 83902, 105569, 211138, 738983, 1372397, 1477966, 2744794, 9606779, 19213558]

約数ペア:

[(1, 19213558), (2, 9606779), (7, 2744794), (13, 1477966), (14, 1372397), (26, 738983), (91, 211138), (182, 105569), (229, 83902), (458, 41951), (461, 41678), (922, 20839), (1603, 11986), (2977, 6454), (3206, 5993), (3227, 5954)]