18495393

素因数分解:

$3^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{2677}}^1$

素因数の和:2741

約数の個数: 24

約数和(自身を含む): 29308032

約数和(自身を除く): 10812639

約数列:

[1, 3, 7, 21, 47, 49, 141, 147, 329, 987, 2303, 2677, 6909, 8031, 18739, 56217, 125819, 131173, 377457, 393519, 880733, 2642199, 6165131, 18495393]

約数ペア:

[(1, 18495393), (3, 6165131), (7, 2642199), (21, 880733), (47, 393519), (49, 377457), (141, 131173), (147, 125819), (329, 56217), (987, 18739), (2303, 8031), (2677, 6909)]