19489602

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{347}}^1$

素因数の和:423

約数の個数: 64

約数和(自身を含む): 45702144

約数和(自身を除く): 26212542

約数列:

[1, 2, 3, 6, 11, 22, 23, 33, 37, 46, 66, 69, 74, 111, 138, 222, 253, 347, 407, 506, 694, 759, 814, 851, 1041, 1221, 1518, 1702, 2082, 2442, 2553, 3817, 5106, 7634, 7981, 9361, 11451, 12839, 15962, 18722, 22902, 23943, 25678, 28083, 38517, 47886, 56166, 77034, 87791, 141229, 175582, 263373, 282458, 295297, 423687, 526746, 590594, 847374, 885891, 1771782, 3248267, 6496534, 9744801, 19489602]

約数ペア:

[(1, 19489602), (2, 9744801), (3, 6496534), (6, 3248267), (11, 1771782), (22, 885891), (23, 847374), (33, 590594), (37, 526746), (46, 423687), (66, 295297), (69, 282458), (74, 263373), (111, 175582), (138, 141229), (222, 87791), (253, 77034), (347, 56166), (407, 47886), (506, 38517), (694, 28083), (759, 25678), (814, 23943), (851, 22902), (1041, 18722), (1221, 15962), (1518, 12839), (1702, 11451), (2082, 9361), (2442, 7981), (2553, 7634), (3817, 5106)]