19892565

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{5741}}^1$

素因数の和:5770

約数の個数: 48

約数和(自身を含む): 42996096

約数和(自身を除く): 23103531

約数列:

[1, 3, 5, 7, 9, 11, 15, 21, 33, 35, 45, 55, 63, 77, 99, 105, 165, 231, 315, 385, 495, 693, 1155, 3465, 5741, 17223, 28705, 40187, 51669, 63151, 86115, 120561, 189453, 200935, 258345, 315755, 361683, 442057, 568359, 602805, 947265, 1326171, 1808415, 2210285, 2841795, 3978513, 6630855, 19892565]

約数ペア:

[(1, 19892565), (3, 6630855), (5, 3978513), (7, 2841795), (9, 2210285), (11, 1808415), (15, 1326171), (21, 947265), (33, 602805), (35, 568359), (45, 442057), (55, 361683), (63, 315755), (77, 258345), (99, 200935), (105, 189453), (165, 120561), (231, 86115), (315, 63151), (385, 51669), (495, 40187), (693, 28705), (1155, 17223), (3465, 5741)]