19954142

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1303}}^1$

素因数の和:1368

約数の個数: 32

約数和(自身を含む): 35051520

約数和(自身を除く): 15097378

約数列:

[1, 2, 13, 19, 26, 31, 38, 62, 247, 403, 494, 589, 806, 1178, 1303, 2606, 7657, 15314, 16939, 24757, 33878, 40393, 49514, 80786, 321841, 525109, 643682, 767467, 1050218, 1534934, 9977071, 19954142]

約数ペア:

[(1, 19954142), (2, 9977071), (13, 1534934), (19, 1050218), (26, 767467), (31, 643682), (38, 525109), (62, 321841), (247, 80786), (403, 49514), (494, 40393), (589, 33878), (806, 24757), (1178, 16939), (1303, 15314), (2606, 7657)]