19989504

素因数分解:

$2^{10}\times 3^4\times {\mathrm{241}}^1$

素因数の和:273

約数の個数: 110

約数和(自身を含む): 59940254

約数和(自身を除く): 39950750

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 72, 81, 96, 108, 128, 144, 162, 192, 216, 241, 256, 288, 324, 384, 432, 482, 512, 576, 648, 723, 768, 864, 964, 1024, 1152, 1296, 1446, 1536, 1728, 1928, 2169, 2304, 2592, 2892, 3072, 3456, 3856, 4338, 4608, 5184, 5784, 6507, 6912, 7712, 8676, 9216, 10368, 11568, 13014, 13824, 15424, 17352, 19521, 20736, 23136, 26028, 27648, 30848, 34704, 39042, 41472, 46272, 52056, 61696, 69408, 78084, 82944, 92544, 104112, 123392, 138816, 156168, 185088, 208224, 246784, 277632, 312336, 370176, 416448, 555264, 624672, 740352, 832896, 1110528, 1249344, 1665792, 2221056, 2498688, 3331584, 4997376, 6663168, 9994752, 19989504]

約数ペア:

[(1, 19989504), (2, 9994752), (3, 6663168), (4, 4997376), (6, 3331584), (8, 2498688), (9, 2221056), (12, 1665792), (16, 1249344), (18, 1110528), (24, 832896), (27, 740352), (32, 624672), (36, 555264), (48, 416448), (54, 370176), (64, 312336), (72, 277632), (81, 246784), (96, 208224), (108, 185088), (128, 156168), (144, 138816), (162, 123392), (192, 104112), (216, 92544), (241, 82944), (256, 78084), (288, 69408), (324, 61696), (384, 52056), (432, 46272), (482, 41472), (512, 39042), (576, 34704), (648, 30848), (723, 27648), (768, 26028), (864, 23136), (964, 20736), (1024, 19521), (1152, 17352), (1296, 15424), (1446, 13824), (1536, 13014), (1728, 11568), (1928, 10368), (2169, 9216), (2304, 8676), (2592, 7712), (2892, 6912), (3072, 6507), (3456, 5784), (3856, 5184), (4338, 4608)]