18759832

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{353}}^1$

素因数の和:452

約数の個数: 64

約数和(自身を含む): 44009280

約数和(自身を除く): 25249448

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 73, 91, 104, 146, 182, 292, 353, 364, 511, 584, 706, 728, 949, 1022, 1412, 1898, 2044, 2471, 2824, 3796, 4088, 4589, 4942, 6643, 7592, 9178, 9884, 13286, 18356, 19768, 25769, 26572, 32123, 36712, 51538, 53144, 64246, 103076, 128492, 180383, 206152, 256984, 334997, 360766, 669994, 721532, 1339988, 1443064, 2344979, 2679976, 4689958, 9379916, 18759832]

約数ペア:

[(1, 18759832), (2, 9379916), (4, 4689958), (7, 2679976), (8, 2344979), (13, 1443064), (14, 1339988), (26, 721532), (28, 669994), (52, 360766), (56, 334997), (73, 256984), (91, 206152), (104, 180383), (146, 128492), (182, 103076), (292, 64246), (353, 53144), (364, 51538), (511, 36712), (584, 32123), (706, 26572), (728, 25769), (949, 19768), (1022, 18356), (1412, 13286), (1898, 9884), (2044, 9178), (2471, 7592), (2824, 6643), (3796, 4942), (4088, 4589)]