19527508

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{4877}}^1$

素因数の和:4912

約数の個数: 48

約数和(自身を含む): 45892224

約数和(自身を除く): 26364716

約数列:

[1, 2, 4, 7, 11, 13, 14, 22, 26, 28, 44, 52, 77, 91, 143, 154, 182, 286, 308, 364, 572, 1001, 2002, 4004, 4877, 9754, 19508, 34139, 53647, 63401, 68278, 107294, 126802, 136556, 214588, 253604, 375529, 443807, 697411, 751058, 887614, 1394822, 1502116, 1775228, 2789644, 4881877, 9763754, 19527508]

約数ペア:

[(1, 19527508), (2, 9763754), (4, 4881877), (7, 2789644), (11, 1775228), (13, 1502116), (14, 1394822), (22, 887614), (26, 751058), (28, 697411), (44, 443807), (52, 375529), (77, 253604), (91, 214588), (143, 136556), (154, 126802), (182, 107294), (286, 68278), (308, 63401), (364, 53647), (572, 34139), (1001, 19508), (2002, 9754), (4004, 4877)]