18765747

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2083}}^1$

素因数の和:2120

約数の個数: 48

約数和(自身を含む): 36411648

約数和(自身を除く): 17645901

約数列:

[1, 3, 7, 9, 11, 13, 21, 33, 39, 63, 77, 91, 99, 117, 143, 231, 273, 429, 693, 819, 1001, 1287, 2083, 3003, 6249, 9009, 14581, 18747, 22913, 27079, 43743, 68739, 81237, 131229, 160391, 189553, 206217, 243711, 297869, 481173, 568659, 893607, 1443519, 1705977, 2085083, 2680821, 6255249, 18765747]

約数ペア:

[(1, 18765747), (3, 6255249), (7, 2680821), (9, 2085083), (11, 1705977), (13, 1443519), (21, 893607), (33, 568659), (39, 481173), (63, 297869), (77, 243711), (91, 206217), (99, 189553), (117, 160391), (143, 131229), (231, 81237), (273, 68739), (429, 43743), (693, 27079), (819, 22913), (1001, 18747), (1287, 14581), (2083, 9009), (3003, 6249)]