201921816

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^1\times {\mathrm{257}}^1\times {\mathrm{1723}}^1$

素因数の和:2008

約数の個数: 64

約数和(自身を含む): 533750400

約数和(自身を除く): 331828584

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 24, 38, 57, 76, 114, 152, 228, 257, 456, 514, 771, 1028, 1542, 1723, 2056, 3084, 3446, 4883, 5169, 6168, 6892, 9766, 10338, 13784, 14649, 19532, 20676, 29298, 32737, 39064, 41352, 58596, 65474, 98211, 117192, 130948, 196422, 261896, 392844, 442811, 785688, 885622, 1328433, 1771244, 2656866, 3542488, 5313732, 8413409, 10627464, 16826818, 25240227, 33653636, 50480454, 67307272, 100960908, 201921816]

約数ペア:

[(1, 201921816), (2, 100960908), (3, 67307272), (4, 50480454), (6, 33653636), (8, 25240227), (12, 16826818), (19, 10627464), (24, 8413409), (38, 5313732), (57, 3542488), (76, 2656866), (114, 1771244), (152, 1328433), (228, 885622), (257, 785688), (456, 442811), (514, 392844), (771, 261896), (1028, 196422), (1542, 130948), (1723, 117192), (2056, 98211), (3084, 65474), (3446, 58596), (4883, 41352), (5169, 39064), (6168, 32737), (6892, 29298), (9766, 20676), (10338, 19532), (13784, 14649)]