19741878

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{353}}^1$

素因数の和:613

約数の個数: 48

約数和(自身を含む): 46388160

約数和(自身を除く): 26646282

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 239, 353, 478, 706, 717, 1059, 1434, 2118, 2151, 3107, 3177, 4302, 4589, 6214, 6354, 9178, 9321, 13767, 18642, 27534, 27963, 41301, 55926, 82602, 84367, 168734, 253101, 506202, 759303, 1096771, 1518606, 2193542, 3290313, 6580626, 9870939, 19741878]

約数ペア:

[(1, 19741878), (2, 9870939), (3, 6580626), (6, 3290313), (9, 2193542), (13, 1518606), (18, 1096771), (26, 759303), (39, 506202), (78, 253101), (117, 168734), (234, 84367), (239, 82602), (353, 55926), (478, 41301), (706, 27963), (717, 27534), (1059, 18642), (1434, 13767), (2118, 9321), (2151, 9178), (3107, 6354), (3177, 6214), (4302, 4589)]