18772089

素因数分解:

$3^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{109}}^1\times {\mathrm{139}}^1$

素因数の和:317

約数の個数: 32

約数和(自身を含む): 29568000

約数和(自身を除く): 10795911

約数列:

[1, 3, 7, 21, 59, 109, 139, 177, 327, 413, 417, 763, 973, 1239, 2289, 2919, 6431, 8201, 15151, 19293, 24603, 45017, 45453, 57407, 106057, 135051, 172221, 318171, 893909, 2681727, 6257363, 18772089]

約数ペア:

[(1, 18772089), (3, 6257363), (7, 2681727), (21, 893909), (59, 318171), (109, 172221), (139, 135051), (177, 106057), (327, 57407), (413, 45453), (417, 45017), (763, 24603), (973, 19293), (1239, 15151), (2289, 8201), (2919, 6431)]