18616257

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{3299}}^1$

素因数の和:3338

約数の個数: 32

約数和(自身を含む): 31680000

約数和(自身を除く): 13063743

約数列:

[1, 3, 9, 11, 19, 27, 33, 57, 99, 171, 209, 297, 513, 627, 1881, 3299, 5643, 9897, 29691, 36289, 62681, 89073, 108867, 188043, 326601, 564129, 689491, 979803, 1692387, 2068473, 6205419, 18616257]

約数ペア:

[(1, 18616257), (3, 6205419), (9, 2068473), (11, 1692387), (19, 979803), (27, 689491), (33, 564129), (57, 326601), (99, 188043), (171, 108867), (209, 89073), (297, 62681), (513, 36289), (627, 29691), (1881, 9897), (3299, 5643)]