18934773

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1$

素因数の和:170

約数の個数: 64

約数和(自身を含む): 32901120

約数和(自身を除く): 13966347

約数列:

[1, 3, 11, 13, 19, 23, 33, 39, 57, 69, 101, 143, 209, 247, 253, 299, 303, 429, 437, 627, 741, 759, 897, 1111, 1311, 1313, 1919, 2323, 2717, 3289, 3333, 3939, 4807, 5681, 5757, 6969, 8151, 9867, 14421, 14443, 17043, 21109, 24947, 25553, 30199, 43329, 44137, 62491, 63327, 74841, 76659, 90597, 132411, 187473, 274417, 332189, 485507, 573781, 823251, 996567, 1456521, 1721343, 6311591, 18934773]

約数ペア:

[(1, 18934773), (3, 6311591), (11, 1721343), (13, 1456521), (19, 996567), (23, 823251), (33, 573781), (39, 485507), (57, 332189), (69, 274417), (101, 187473), (143, 132411), (209, 90597), (247, 76659), (253, 74841), (299, 63327), (303, 62491), (429, 44137), (437, 43329), (627, 30199), (741, 25553), (759, 24947), (897, 21109), (1111, 17043), (1311, 14443), (1313, 14421), (1919, 9867), (2323, 8151), (2717, 6969), (3289, 5757), (3333, 5681), (3939, 4807)]