18989544

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1$

素因数の和:203

約数の個数: 128

約数和(自身を含む): 58924800

約数和(自身を除く): 39935256

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 17, 21, 24, 28, 34, 42, 51, 56, 61, 68, 84, 102, 109, 119, 122, 136, 168, 183, 204, 218, 238, 244, 327, 357, 366, 408, 427, 436, 476, 488, 654, 714, 732, 763, 854, 872, 952, 1037, 1281, 1308, 1428, 1464, 1526, 1708, 1853, 2074, 2289, 2562, 2616, 2856, 3052, 3111, 3416, 3706, 4148, 4578, 5124, 5559, 6104, 6222, 6649, 7259, 7412, 8296, 9156, 10248, 11118, 12444, 12971, 13298, 14518, 14824, 18312, 19947, 21777, 22236, 24888, 25942, 26596, 29036, 38913, 39894, 43554, 44472, 46543, 51884, 53192, 58072, 77826, 79788, 87108, 93086, 103768, 113033, 139629, 155652, 159576, 174216, 186172, 226066, 279258, 311304, 339099, 372344, 452132, 558516, 678198, 791231, 904264, 1117032, 1356396, 1582462, 2373693, 2712792, 3164924, 4747386, 6329848, 9494772, 18989544]

約数ペア:

[(1, 18989544), (2, 9494772), (3, 6329848), (4, 4747386), (6, 3164924), (7, 2712792), (8, 2373693), (12, 1582462), (14, 1356396), (17, 1117032), (21, 904264), (24, 791231), (28, 678198), (34, 558516), (42, 452132), (51, 372344), (56, 339099), (61, 311304), (68, 279258), (84, 226066), (102, 186172), (109, 174216), (119, 159576), (122, 155652), (136, 139629), (168, 113033), (183, 103768), (204, 93086), (218, 87108), (238, 79788), (244, 77826), (327, 58072), (357, 53192), (366, 51884), (408, 46543), (427, 44472), (436, 43554), (476, 39894), (488, 38913), (654, 29036), (714, 26596), (732, 25942), (763, 24888), (854, 22236), (872, 21777), (952, 19947), (1037, 18312), (1281, 14824), (1308, 14518), (1428, 13298), (1464, 12971), (1526, 12444), (1708, 11118), (1853, 10248), (2074, 9156), (2289, 8296), (2562, 7412), (2616, 7259), (2856, 6649), (3052, 6222), (3111, 6104), (3416, 5559), (3706, 5124), (4148, 4578)]