19945848

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{63929}}^1$

素因数の和:63951

約数の個数: 32

約数和(自身を含む): 53701200

約数和(自身を除く): 33755352

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 63929, 127858, 191787, 255716, 383574, 511432, 767148, 831077, 1534296, 1662154, 2493231, 3324308, 4986462, 6648616, 9972924, 19945848]

約数ペア:

[(1, 19945848), (2, 9972924), (3, 6648616), (4, 4986462), (6, 3324308), (8, 2493231), (12, 1662154), (13, 1534296), (24, 831077), (26, 767148), (39, 511432), (52, 383574), (78, 255716), (104, 191787), (156, 127858), (312, 63929)]