18039728

素因数分解:

$2^4\times 7^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{149}}^1$

素因数の和:234

約数の個数: 80

約数和(自身を含む): 42854400

約数和(自身を除く): 24814672

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 46, 47, 56, 92, 94, 112, 149, 161, 184, 188, 298, 322, 329, 368, 376, 596, 644, 658, 752, 1043, 1081, 1192, 1288, 1316, 2086, 2162, 2384, 2576, 2632, 3427, 4172, 4324, 5264, 6854, 7003, 7567, 8344, 8648, 13708, 14006, 15134, 16688, 17296, 23989, 27416, 28012, 30268, 47978, 49021, 54832, 56024, 60536, 95956, 98042, 112048, 121072, 161069, 191912, 196084, 322138, 383824, 392168, 644276, 784336, 1127483, 1288552, 2254966, 2577104, 4509932, 9019864, 18039728]

約数ペア:

[(1, 18039728), (2, 9019864), (4, 4509932), (7, 2577104), (8, 2254966), (14, 1288552), (16, 1127483), (23, 784336), (28, 644276), (46, 392168), (47, 383824), (56, 322138), (92, 196084), (94, 191912), (112, 161069), (149, 121072), (161, 112048), (184, 98042), (188, 95956), (298, 60536), (322, 56024), (329, 54832), (368, 49021), (376, 47978), (596, 30268), (644, 28012), (658, 27416), (752, 23989), (1043, 17296), (1081, 16688), (1192, 15134), (1288, 14006), (1316, 13708), (2086, 8648), (2162, 8344), (2384, 7567), (2576, 7003), (2632, 6854), (3427, 5264), (4172, 4324)]