19895568

素因数分解:

$2^4\times 3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{769}}^1$

素因数の和:805

約数の個数: 120

約数和(自身を含む): 65308320

約数和(自身を除く): 45412752

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 16, 21, 22, 24, 28, 33, 42, 44, 48, 49, 56, 66, 77, 84, 88, 98, 112, 132, 147, 154, 168, 176, 196, 231, 264, 294, 308, 336, 392, 462, 528, 539, 588, 616, 769, 784, 924, 1078, 1176, 1232, 1538, 1617, 1848, 2156, 2307, 2352, 3076, 3234, 3696, 4312, 4614, 5383, 6152, 6468, 8459, 8624, 9228, 10766, 12304, 12936, 16149, 16918, 18456, 21532, 25377, 25872, 32298, 33836, 36912, 37681, 43064, 50754, 59213, 64596, 67672, 75362, 86128, 101508, 113043, 118426, 129192, 135344, 150724, 177639, 203016, 226086, 236852, 258384, 301448, 355278, 406032, 414491, 452172, 473704, 602896, 710556, 828982, 904344, 947408, 1243473, 1421112, 1657964, 1808688, 2486946, 2842224, 3315928, 4973892, 6631856, 9947784, 19895568]

約数ペア:

[(1, 19895568), (2, 9947784), (3, 6631856), (4, 4973892), (6, 3315928), (7, 2842224), (8, 2486946), (11, 1808688), (12, 1657964), (14, 1421112), (16, 1243473), (21, 947408), (22, 904344), (24, 828982), (28, 710556), (33, 602896), (42, 473704), (44, 452172), (48, 414491), (49, 406032), (56, 355278), (66, 301448), (77, 258384), (84, 236852), (88, 226086), (98, 203016), (112, 177639), (132, 150724), (147, 135344), (154, 129192), (168, 118426), (176, 113043), (196, 101508), (231, 86128), (264, 75362), (294, 67672), (308, 64596), (336, 59213), (392, 50754), (462, 43064), (528, 37681), (539, 36912), (588, 33836), (616, 32298), (769, 25872), (784, 25377), (924, 21532), (1078, 18456), (1176, 16918), (1232, 16149), (1538, 12936), (1617, 12304), (1848, 10766), (2156, 9228), (2307, 8624), (2352, 8459), (3076, 6468), (3234, 6152), (3696, 5383), (4312, 4614)]