19947486

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{11119}}^1$

素因数の和:11160

約数の個数: 32

約数和(自身を含む): 44835840

約数和(自身を除く): 24888354

約数列:

[1, 2, 3, 6, 13, 23, 26, 39, 46, 69, 78, 138, 299, 598, 897, 1794, 11119, 22238, 33357, 66714, 144547, 255737, 289094, 433641, 511474, 767211, 867282, 1534422, 3324581, 6649162, 9973743, 19947486]

約数ペア:

[(1, 19947486), (2, 9973743), (3, 6649162), (6, 3324581), (13, 1534422), (23, 867282), (26, 767211), (39, 511474), (46, 433641), (69, 289094), (78, 255737), (138, 144547), (299, 66714), (598, 33357), (897, 22238), (1794, 11119)]