19661886

素因数分解:

$2^1\times 3^3\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1$

素因数の和:246

約数の個数: 64

約数和(自身を含む): 45711360

約数和(自身を除く): 26049474

約数列:

[1, 2, 3, 6, 9, 18, 27, 47, 54, 61, 94, 122, 127, 141, 183, 254, 282, 366, 381, 423, 549, 762, 846, 1098, 1143, 1269, 1647, 2286, 2538, 2867, 3294, 3429, 5734, 5969, 6858, 7747, 8601, 11938, 15494, 17202, 17907, 23241, 25803, 35814, 46482, 51606, 53721, 69723, 77409, 107442, 139446, 154818, 161163, 209169, 322326, 364109, 418338, 728218, 1092327, 2184654, 3276981, 6553962, 9830943, 19661886]

約数ペア:

[(1, 19661886), (2, 9830943), (3, 6553962), (6, 3276981), (9, 2184654), (18, 1092327), (27, 728218), (47, 418338), (54, 364109), (61, 322326), (94, 209169), (122, 161163), (127, 154818), (141, 139446), (183, 107442), (254, 77409), (282, 69723), (366, 53721), (381, 51606), (423, 46482), (549, 35814), (762, 25803), (846, 23241), (1098, 17907), (1143, 17202), (1269, 15494), (1647, 11938), (2286, 8601), (2538, 7747), (2867, 6858), (3294, 5969), (3429, 5734)]