18848907

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{461}}^1$

素因数の和:544

約数の個数: 48

約数和(自身を含む): 34594560

約数和(自身を除く): 15745653

約数列:

[1, 3, 7, 9, 11, 21, 33, 59, 63, 77, 99, 177, 231, 413, 461, 531, 649, 693, 1239, 1383, 1947, 3227, 3717, 4149, 4543, 5071, 5841, 9681, 13629, 15213, 27199, 29043, 35497, 40887, 45639, 81597, 106491, 190393, 244791, 299189, 319473, 571179, 897567, 1713537, 2094323, 2692701, 6282969, 18848907]

約数ペア:

[(1, 18848907), (3, 6282969), (7, 2692701), (9, 2094323), (11, 1713537), (21, 897567), (33, 571179), (59, 319473), (63, 299189), (77, 244791), (99, 190393), (177, 106491), (231, 81597), (413, 45639), (461, 40887), (531, 35497), (649, 29043), (693, 27199), (1239, 15213), (1383, 13629), (1947, 9681), (3227, 5841), (3717, 5071), (4149, 4543)]