19772928

素因数分解:

$2^9\times 3^2\times 7^1\times {\mathrm{613}}^1$

素因数の和:644

約数の個数: 120

約数和(自身を含む): 65324688

約数和(自身を除く): 45551760

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 63, 64, 72, 84, 96, 112, 126, 128, 144, 168, 192, 224, 252, 256, 288, 336, 384, 448, 504, 512, 576, 613, 672, 768, 896, 1008, 1152, 1226, 1344, 1536, 1792, 1839, 2016, 2304, 2452, 2688, 3584, 3678, 4032, 4291, 4608, 4904, 5376, 5517, 7356, 8064, 8582, 9808, 10752, 11034, 12873, 14712, 16128, 17164, 19616, 22068, 25746, 29424, 32256, 34328, 38619, 39232, 44136, 51492, 58848, 68656, 77238, 78464, 88272, 102984, 117696, 137312, 154476, 156928, 176544, 205968, 235392, 274624, 308952, 313856, 353088, 411936, 470784, 549248, 617904, 706176, 823872, 941568, 1098496, 1235808, 1412352, 1647744, 2196992, 2471616, 2824704, 3295488, 4943232, 6590976, 9886464, 19772928]

約数ペア:

[(1, 19772928), (2, 9886464), (3, 6590976), (4, 4943232), (6, 3295488), (7, 2824704), (8, 2471616), (9, 2196992), (12, 1647744), (14, 1412352), (16, 1235808), (18, 1098496), (21, 941568), (24, 823872), (28, 706176), (32, 617904), (36, 549248), (42, 470784), (48, 411936), (56, 353088), (63, 313856), (64, 308952), (72, 274624), (84, 235392), (96, 205968), (112, 176544), (126, 156928), (128, 154476), (144, 137312), (168, 117696), (192, 102984), (224, 88272), (252, 78464), (256, 77238), (288, 68656), (336, 58848), (384, 51492), (448, 44136), (504, 39232), (512, 38619), (576, 34328), (613, 32256), (672, 29424), (768, 25746), (896, 22068), (1008, 19616), (1152, 17164), (1226, 16128), (1344, 14712), (1536, 12873), (1792, 11034), (1839, 10752), (2016, 9808), (2304, 8582), (2452, 8064), (2688, 7356), (3584, 5517), (3678, 5376), (4032, 4904), (4291, 4608)]