19385415

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1$

素因数の和:157

約数の個数: 96

約数和(自身を含む): 41932800

約数和(自身を除く): 22547385

約数列:

[1, 3, 5, 7, 9, 15, 19, 21, 35, 41, 45, 57, 63, 79, 95, 105, 123, 133, 171, 205, 237, 285, 287, 315, 369, 395, 399, 553, 615, 665, 711, 779, 855, 861, 1185, 1197, 1435, 1501, 1659, 1845, 1995, 2337, 2583, 2765, 3239, 3555, 3895, 4305, 4503, 4977, 5453, 5985, 7011, 7505, 8295, 9717, 10507, 11685, 12915, 13509, 16195, 16359, 22515, 22673, 24885, 27265, 29151, 31521, 35055, 48585, 49077, 52535, 61541, 67545, 68019, 81795, 94563, 113365, 145755, 157605, 184623, 204057, 245385, 307705, 340095, 430787, 472815, 553869, 923115, 1020285, 1292361, 2153935, 2769345, 3877083, 6461805, 19385415]

約数ペア:

[(1, 19385415), (3, 6461805), (5, 3877083), (7, 2769345), (9, 2153935), (15, 1292361), (19, 1020285), (21, 923115), (35, 553869), (41, 472815), (45, 430787), (57, 340095), (63, 307705), (79, 245385), (95, 204057), (105, 184623), (123, 157605), (133, 145755), (171, 113365), (205, 94563), (237, 81795), (285, 68019), (287, 67545), (315, 61541), (369, 52535), (395, 49077), (399, 48585), (553, 35055), (615, 31521), (665, 29151), (711, 27265), (779, 24885), (855, 22673), (861, 22515), (1185, 16359), (1197, 16195), (1435, 13509), (1501, 12915), (1659, 11685), (1845, 10507), (1995, 9717), (2337, 8295), (2583, 7505), (2765, 7011), (3239, 5985), (3555, 5453), (3895, 4977), (4305, 4503)]