18346888

素因数分解:

$2^3\times 7^1\times {\mathrm{139}}^1\times {\mathrm{2357}}^1$

素因数の和:2509

約数の個数: 32

約数和(自身を含む): 39614400

約数和(自身を除く): 21267512

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 139, 278, 556, 973, 1112, 1946, 2357, 3892, 4714, 7784, 9428, 16499, 18856, 32998, 65996, 131992, 327623, 655246, 1310492, 2293361, 2620984, 4586722, 9173444, 18346888]

約数ペア:

[(1, 18346888), (2, 9173444), (4, 4586722), (7, 2620984), (8, 2293361), (14, 1310492), (28, 655246), (56, 327623), (139, 131992), (278, 65996), (556, 32998), (973, 18856), (1112, 16499), (1946, 9428), (2357, 7784), (3892, 4714)]