19530784

素因数分解:

$2^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{353}}^1$

素因数の和:402

約数の個数: 96

約数和(自身を含む): 49956480

約数和(自身を除く): 30425696

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 19, 26, 28, 32, 38, 52, 56, 76, 91, 104, 112, 133, 152, 182, 208, 224, 247, 266, 304, 353, 364, 416, 494, 532, 608, 706, 728, 988, 1064, 1412, 1456, 1729, 1976, 2128, 2471, 2824, 2912, 3458, 3952, 4256, 4589, 4942, 5648, 6707, 6916, 7904, 9178, 9884, 11296, 13414, 13832, 18356, 19768, 26828, 27664, 32123, 36712, 39536, 46949, 53656, 55328, 64246, 73424, 79072, 87191, 93898, 107312, 128492, 146848, 174382, 187796, 214624, 256984, 348764, 375592, 513968, 610337, 697528, 751184, 1027936, 1220674, 1395056, 1502368, 2441348, 2790112, 4882696, 9765392, 19530784]

約数ペア:

[(1, 19530784), (2, 9765392), (4, 4882696), (7, 2790112), (8, 2441348), (13, 1502368), (14, 1395056), (16, 1220674), (19, 1027936), (26, 751184), (28, 697528), (32, 610337), (38, 513968), (52, 375592), (56, 348764), (76, 256984), (91, 214624), (104, 187796), (112, 174382), (133, 146848), (152, 128492), (182, 107312), (208, 93898), (224, 87191), (247, 79072), (266, 73424), (304, 64246), (353, 55328), (364, 53656), (416, 46949), (494, 39536), (532, 36712), (608, 32123), (706, 27664), (728, 26828), (988, 19768), (1064, 18356), (1412, 13832), (1456, 13414), (1729, 11296), (1976, 9884), (2128, 9178), (2471, 7904), (2824, 6916), (2912, 6707), (3458, 5648), (3952, 4942), (4256, 4589)]