19127812

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{461}}^1$

素因数の和:540

約数の個数: 48

約数和(自身を含む): 39118464

約数和(自身を除く): 19990652

約数列:

[1, 2, 4, 11, 22, 23, 41, 44, 46, 82, 92, 164, 253, 451, 461, 506, 902, 922, 943, 1012, 1804, 1844, 1886, 3772, 5071, 10142, 10373, 10603, 18901, 20284, 20746, 21206, 37802, 41492, 42412, 75604, 116633, 207911, 233266, 415822, 434723, 466532, 831644, 869446, 1738892, 4781953, 9563906, 19127812]

約数ペア:

[(1, 19127812), (2, 9563906), (4, 4781953), (11, 1738892), (22, 869446), (23, 831644), (41, 466532), (44, 434723), (46, 415822), (82, 233266), (92, 207911), (164, 116633), (253, 75604), (451, 42412), (461, 41492), (506, 37802), (902, 21206), (922, 20746), (943, 20284), (1012, 18901), (1804, 10603), (1844, 10373), (1886, 10142), (3772, 5071)]