20131053128

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{731719}}^1$

素因数の和:731925

約数の個数: 32

約数和(自身を含む): 39951912000

約数和(自身を除く): 19820858872

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 181, 362, 724, 1448, 3439, 6878, 13756, 27512, 731719, 1463438, 2926876, 5853752, 13902661, 27805322, 55610644, 111221288, 132441139, 264882278, 529764556, 1059529112, 2516381641, 5032763282, 10065526564, 20131053128]

約数ペア:

[(1, 20131053128), (2, 10065526564), (4, 5032763282), (8, 2516381641), (19, 1059529112), (38, 529764556), (76, 264882278), (152, 132441139), (181, 111221288), (362, 55610644), (724, 27805322), (1448, 13902661), (3439, 5853752), (6878, 2926876), (13756, 1463438), (27512, 731719)]