18230128

素因数分解:

$2^4\times 7^1\times {\mathrm{139}}^1\times {\mathrm{1171}}^1$

素因数の和:1325

約数の個数: 40

約数和(自身を含む): 40691840

約数和(自身を除く): 22461712

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 139, 278, 556, 973, 1112, 1171, 1946, 2224, 2342, 3892, 4684, 7784, 8197, 9368, 15568, 16394, 18736, 32788, 65576, 131152, 162769, 325538, 651076, 1139383, 1302152, 2278766, 2604304, 4557532, 9115064, 18230128]

約数ペア:

[(1, 18230128), (2, 9115064), (4, 4557532), (7, 2604304), (8, 2278766), (14, 1302152), (16, 1139383), (28, 651076), (56, 325538), (112, 162769), (139, 131152), (278, 65576), (556, 32788), (973, 18736), (1112, 16394), (1171, 15568), (1946, 9368), (2224, 8197), (2342, 7784), (3892, 4684)]