18247953

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{157}}^1$

素因数の和:273

約数の個数: 32

約数和(自身を含む): 27029376

約数和(自身を除く): 8781423

約数列:

[1, 3, 17, 43, 51, 53, 129, 157, 159, 471, 731, 901, 2193, 2279, 2669, 2703, 6751, 6837, 8007, 8321, 20253, 24963, 38743, 114767, 116229, 141457, 344301, 357803, 424371, 1073409, 6082651, 18247953]

約数ペア:

[(1, 18247953), (3, 6082651), (17, 1073409), (43, 424371), (51, 357803), (53, 344301), (129, 141457), (157, 116229), (159, 114767), (471, 38743), (731, 24963), (901, 20253), (2193, 8321), (2279, 8007), (2669, 6837), (2703, 6751)]