19839435

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{193}}^1$

素因数の和:308

約数の個数: 64

約数和(自身を含む): 40227840

約数和(自身を除く): 20388405

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 55, 77, 89, 105, 165, 193, 231, 267, 385, 445, 579, 623, 965, 979, 1155, 1335, 1351, 1869, 2123, 2895, 2937, 3115, 4053, 4895, 6369, 6755, 6853, 9345, 10615, 14685, 14861, 17177, 20265, 20559, 31845, 34265, 44583, 51531, 74305, 85885, 102795, 120239, 188947, 222915, 257655, 360717, 566841, 601195, 944735, 1322629, 1803585, 2834205, 3967887, 6613145, 19839435]

約数ペア:

[(1, 19839435), (3, 6613145), (5, 3967887), (7, 2834205), (11, 1803585), (15, 1322629), (21, 944735), (33, 601195), (35, 566841), (55, 360717), (77, 257655), (89, 222915), (105, 188947), (165, 120239), (193, 102795), (231, 85885), (267, 74305), (385, 51531), (445, 44583), (579, 34265), (623, 31845), (965, 20559), (979, 20265), (1155, 17177), (1335, 14861), (1351, 14685), (1869, 10615), (2123, 9345), (2895, 6853), (2937, 6755), (3115, 6369), (4053, 4895)]