18278512

素因数分解:

$2^4\times 7^1\times {\mathrm{293}}^1\times {\mathrm{557}}^1$

素因数の和:865

約数の個数: 40

約数和(自身を含む): 40684896

約数和(自身を除く): 22406384

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 293, 557, 586, 1114, 1172, 2051, 2228, 2344, 3899, 4102, 4456, 4688, 7798, 8204, 8912, 15596, 16408, 31192, 32816, 62384, 163201, 326402, 652804, 1142407, 1305608, 2284814, 2611216, 4569628, 9139256, 18278512]

約数ペア:

[(1, 18278512), (2, 9139256), (4, 4569628), (7, 2611216), (8, 2284814), (14, 1305608), (16, 1142407), (28, 652804), (56, 326402), (112, 163201), (293, 62384), (557, 32816), (586, 31192), (1114, 16408), (1172, 15596), (2051, 8912), (2228, 8204), (2344, 7798), (3899, 4688), (4102, 4456)]