18769473

素因数分解:

$3^2\times {\mathrm{19}}^2\times {\mathrm{53}}^1\times {\mathrm{109}}^1$

素因数の和:206

約数の個数: 36

約数和(自身を含む): 29420820

約数和(自身を除く): 10651347

約数列:

[1, 3, 9, 19, 53, 57, 109, 159, 171, 327, 361, 477, 981, 1007, 1083, 2071, 3021, 3249, 5777, 6213, 9063, 17331, 18639, 19133, 39349, 51993, 57399, 109763, 118047, 172197, 329289, 354141, 987867, 2085497, 6256491, 18769473]

約数ペア:

[(1, 18769473), (3, 6256491), (9, 2085497), (19, 987867), (53, 354141), (57, 329289), (109, 172197), (159, 118047), (171, 109763), (327, 57399), (361, 51993), (477, 39349), (981, 19133), (1007, 18639), (1083, 17331), (2071, 9063), (3021, 6213), (3249, 5777)]