19814916

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{3491}}^1$

素因数の和:3552

約数の個数: 48

約数和(自身を含む): 51625728

約数和(自身を除く): 31810812

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 43, 44, 66, 86, 129, 132, 172, 258, 473, 516, 946, 1419, 1892, 2838, 3491, 5676, 6982, 10473, 13964, 20946, 38401, 41892, 76802, 115203, 150113, 153604, 230406, 300226, 450339, 460812, 600452, 900678, 1651243, 1801356, 3302486, 4953729, 6604972, 9907458, 19814916]

約数ペア:

[(1, 19814916), (2, 9907458), (3, 6604972), (4, 4953729), (6, 3302486), (11, 1801356), (12, 1651243), (22, 900678), (33, 600452), (43, 460812), (44, 450339), (66, 300226), (86, 230406), (129, 153604), (132, 150113), (172, 115203), (258, 76802), (473, 41892), (516, 38401), (946, 20946), (1419, 13964), (1892, 10473), (2838, 6982), (3491, 5676)]