18640674

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{2153}}^1$

素因数の和:2211

約数の個数: 48

約数和(自身を含む): 44691192

約数和(自身を除く): 26050518

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 37, 39, 74, 78, 111, 117, 222, 234, 333, 481, 666, 962, 1443, 2153, 2886, 4306, 4329, 6459, 8658, 12918, 19377, 27989, 38754, 55978, 79661, 83967, 159322, 167934, 238983, 251901, 477966, 503802, 716949, 1035593, 1433898, 2071186, 3106779, 6213558, 9320337, 18640674]

約数ペア:

[(1, 18640674), (2, 9320337), (3, 6213558), (6, 3106779), (9, 2071186), (13, 1433898), (18, 1035593), (26, 716949), (37, 503802), (39, 477966), (74, 251901), (78, 238983), (111, 167934), (117, 159322), (222, 83967), (234, 79661), (333, 55978), (481, 38754), (666, 27989), (962, 19377), (1443, 12918), (2153, 8658), (2886, 6459), (4306, 4329)]