18791256

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1$

素因数の和:169

約数の個数: 128

約数和(自身を含む): 55987200

約数和(自身を除く): 37195944

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 17, 22, 24, 33, 34, 44, 51, 53, 66, 68, 79, 88, 102, 106, 132, 136, 158, 159, 187, 204, 212, 237, 264, 316, 318, 374, 408, 424, 474, 561, 583, 632, 636, 748, 869, 901, 948, 1122, 1166, 1272, 1343, 1496, 1738, 1749, 1802, 1896, 2244, 2332, 2607, 2686, 2703, 3476, 3498, 3604, 4029, 4187, 4488, 4664, 5214, 5372, 5406, 6952, 6996, 7208, 8058, 8374, 9911, 10428, 10744, 10812, 12561, 13992, 14773, 16116, 16748, 19822, 20856, 21624, 25122, 29546, 29733, 32232, 33496, 39644, 44319, 46057, 50244, 59092, 59466, 71179, 79288, 88638, 92114, 100488, 118184, 118932, 138171, 142358, 177276, 184228, 213537, 237864, 276342, 284716, 354552, 368456, 427074, 552684, 569432, 782969, 854148, 1105368, 1565938, 1708296, 2348907, 3131876, 4697814, 6263752, 9395628, 18791256]

約数ペア:

[(1, 18791256), (2, 9395628), (3, 6263752), (4, 4697814), (6, 3131876), (8, 2348907), (11, 1708296), (12, 1565938), (17, 1105368), (22, 854148), (24, 782969), (33, 569432), (34, 552684), (44, 427074), (51, 368456), (53, 354552), (66, 284716), (68, 276342), (79, 237864), (88, 213537), (102, 184228), (106, 177276), (132, 142358), (136, 138171), (158, 118932), (159, 118184), (187, 100488), (204, 92114), (212, 88638), (237, 79288), (264, 71179), (316, 59466), (318, 59092), (374, 50244), (408, 46057), (424, 44319), (474, 39644), (561, 33496), (583, 32232), (632, 29733), (636, 29546), (748, 25122), (869, 21624), (901, 20856), (948, 19822), (1122, 16748), (1166, 16116), (1272, 14773), (1343, 13992), (1496, 12561), (1738, 10812), (1749, 10744), (1802, 10428), (1896, 9911), (2244, 8374), (2332, 8058), (2607, 7208), (2686, 6996), (2703, 6952), (3476, 5406), (3498, 5372), (3604, 5214), (4029, 4664), (4187, 4488)]