19609548

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1$

素因数の和:207

約数の個数: 96

約数和(自身を含む): 54996480

約数和(自身を除く): 35386932

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 43, 61, 84, 86, 89, 122, 129, 172, 178, 183, 244, 258, 267, 301, 356, 366, 427, 516, 534, 602, 623, 732, 854, 903, 1068, 1204, 1246, 1281, 1708, 1806, 1869, 2492, 2562, 2623, 3612, 3738, 3827, 5124, 5246, 5429, 7476, 7654, 7869, 10492, 10858, 11481, 15308, 15738, 16287, 18361, 21716, 22962, 26789, 31476, 32574, 36722, 38003, 45924, 53578, 55083, 65148, 73444, 76006, 80367, 107156, 110166, 114009, 152012, 160734, 220332, 228018, 233447, 321468, 456036, 466894, 700341, 933788, 1400682, 1634129, 2801364, 3268258, 4902387, 6536516, 9804774, 19609548]

約数ペア:

[(1, 19609548), (2, 9804774), (3, 6536516), (4, 4902387), (6, 3268258), (7, 2801364), (12, 1634129), (14, 1400682), (21, 933788), (28, 700341), (42, 466894), (43, 456036), (61, 321468), (84, 233447), (86, 228018), (89, 220332), (122, 160734), (129, 152012), (172, 114009), (178, 110166), (183, 107156), (244, 80367), (258, 76006), (267, 73444), (301, 65148), (356, 55083), (366, 53578), (427, 45924), (516, 38003), (534, 36722), (602, 32574), (623, 31476), (732, 26789), (854, 22962), (903, 21716), (1068, 18361), (1204, 16287), (1246, 15738), (1281, 15308), (1708, 11481), (1806, 10858), (1869, 10492), (2492, 7869), (2562, 7654), (2623, 7476), (3612, 5429), (3738, 5246), (3827, 5124)]