18727956

素因数分解:

$2^2\times 3^3\times {\mathrm{13}}^1\times {\mathrm{13339}}^1$

素因数の和:13365

約数の個数: 48

約数和(自身を含む): 52292800

約数和(自身を除く): 33564844

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 39, 52, 54, 78, 108, 117, 156, 234, 351, 468, 702, 1404, 13339, 26678, 40017, 53356, 80034, 120051, 160068, 173407, 240102, 346814, 360153, 480204, 520221, 693628, 720306, 1040442, 1440612, 1560663, 2080884, 3121326, 4681989, 6242652, 9363978, 18727956]

約数ペア:

[(1, 18727956), (2, 9363978), (3, 6242652), (4, 4681989), (6, 3121326), (9, 2080884), (12, 1560663), (13, 1440612), (18, 1040442), (26, 720306), (27, 693628), (36, 520221), (39, 480204), (52, 360153), (54, 346814), (78, 240102), (108, 173407), (117, 160068), (156, 120051), (234, 80034), (351, 53356), (468, 40017), (702, 26678), (1404, 13339)]