19684665

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1$

素因数の和:84

約数の個数: 192

約数和(自身を含む): 50319360

約数和(自身を除く): 30634695

約数列:

[1, 3, 5, 7, 9, 11, 13, 15, 19, 21, 23, 33, 35, 39, 45, 55, 57, 63, 65, 69, 77, 91, 95, 99, 105, 115, 117, 133, 143, 161, 165, 171, 195, 207, 209, 231, 247, 253, 273, 285, 299, 315, 345, 385, 399, 429, 437, 455, 483, 495, 585, 627, 665, 693, 715, 741, 759, 805, 819, 855, 897, 1001, 1035, 1045, 1155, 1197, 1235, 1265, 1287, 1311, 1365, 1449, 1463, 1495, 1729, 1771, 1881, 1995, 2093, 2145, 2185, 2223, 2277, 2415, 2691, 2717, 3003, 3059, 3135, 3289, 3465, 3705, 3795, 3933, 4095, 4389, 4485, 4807, 5005, 5187, 5313, 5681, 5985, 6279, 6435, 6555, 7245, 7315, 8151, 8645, 8855, 9009, 9177, 9405, 9867, 10465, 11115, 11385, 13167, 13455, 13585, 14421, 15015, 15295, 15561, 15939, 16445, 17043, 18837, 19019, 19665, 21945, 23023, 24035, 24453, 25935, 26565, 27531, 28405, 29601, 31395, 33649, 39767, 40755, 43263, 45045, 45885, 49335, 51129, 57057, 62491, 65835, 69069, 72105, 77805, 79695, 85215, 94185, 95095, 100947, 115115, 119301, 122265, 137655, 148005, 168245, 171171, 187473, 198835, 207207, 216315, 255645, 285285, 302841, 312455, 345345, 357903, 437437, 504735, 562419, 596505, 855855, 937365, 1036035, 1312311, 1514205, 1789515, 2187185, 2812095, 3936933, 6561555, 19684665]

約数ペア:

[(1, 19684665), (3, 6561555), (5, 3936933), (7, 2812095), (9, 2187185), (11, 1789515), (13, 1514205), (15, 1312311), (19, 1036035), (21, 937365), (23, 855855), (33, 596505), (35, 562419), (39, 504735), (45, 437437), (55, 357903), (57, 345345), (63, 312455), (65, 302841), (69, 285285), (77, 255645), (91, 216315), (95, 207207), (99, 198835), (105, 187473), (115, 171171), (117, 168245), (133, 148005), (143, 137655), (161, 122265), (165, 119301), (171, 115115), (195, 100947), (207, 95095), (209, 94185), (231, 85215), (247, 79695), (253, 77805), (273, 72105), (285, 69069), (299, 65835), (315, 62491), (345, 57057), (385, 51129), (399, 49335), (429, 45885), (437, 45045), (455, 43263), (483, 40755), (495, 39767), (585, 33649), (627, 31395), (665, 29601), (693, 28405), (715, 27531), (741, 26565), (759, 25935), (805, 24453), (819, 24035), (855, 23023), (897, 21945), (1001, 19665), (1035, 19019), (1045, 18837), (1155, 17043), (1197, 16445), (1235, 15939), (1265, 15561), (1287, 15295), (1311, 15015), (1365, 14421), (1449, 13585), (1463, 13455), (1495, 13167), (1729, 11385), (1771, 11115), (1881, 10465), (1995, 9867), (2093, 9405), (2145, 9177), (2185, 9009), (2223, 8855), (2277, 8645), (2415, 8151), (2691, 7315), (2717, 7245), (3003, 6555), (3059, 6435), (3135, 6279), (3289, 5985), (3465, 5681), (3705, 5313), (3795, 5187), (3933, 5005), (4095, 4807), (4389, 4485)]