18758817

素因数分解:

$3^3\times 7^2\times {\mathrm{11}}^1\times {\mathrm{1289}}^1$

素因数の和:1323

約数の個数: 48

約数和(自身を含む): 35294400

約数和(自身を除く): 16535583

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 49, 63, 77, 99, 147, 189, 231, 297, 441, 539, 693, 1289, 1323, 1617, 2079, 3867, 4851, 9023, 11601, 14179, 14553, 27069, 34803, 42537, 63161, 81207, 99253, 127611, 189483, 243621, 297759, 382833, 568449, 694771, 893277, 1705347, 2084313, 2679831, 6252939, 18758817]

約数ペア:

[(1, 18758817), (3, 6252939), (7, 2679831), (9, 2084313), (11, 1705347), (21, 893277), (27, 694771), (33, 568449), (49, 382833), (63, 297759), (77, 243621), (99, 189483), (147, 127611), (189, 99253), (231, 81207), (297, 63161), (441, 42537), (539, 34803), (693, 27069), (1289, 14553), (1323, 14179), (1617, 11601), (2079, 9023), (3867, 4851)]