18926985

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{2341}}^1$

素因数の和:2374

約数の個数: 48

約数和(自身を含む): 38446272

約数和(自身を除く): 19519287

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 49, 55, 77, 105, 147, 165, 231, 245, 385, 539, 735, 1155, 1617, 2341, 2695, 7023, 8085, 11705, 16387, 25751, 35115, 49161, 77253, 81935, 114709, 128755, 180257, 245805, 344127, 386265, 540771, 573545, 901285, 1261799, 1720635, 2703855, 3785397, 6308995, 18926985]

約数ペア:

[(1, 18926985), (3, 6308995), (5, 3785397), (7, 2703855), (11, 1720635), (15, 1261799), (21, 901285), (33, 573545), (35, 540771), (49, 386265), (55, 344127), (77, 245805), (105, 180257), (147, 128755), (165, 114709), (231, 81935), (245, 77253), (385, 49161), (539, 35115), (735, 25751), (1155, 16387), (1617, 11705), (2341, 8085), (2695, 7023)]