18512847

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{761}}^1$

素因数の和:840

約数の個数: 32

約数和(自身を含む): 29626560

約数和(自身を除く): 11113713

約数列:

[1, 3, 9, 17, 27, 51, 53, 153, 159, 459, 477, 761, 901, 1431, 2283, 2703, 6849, 8109, 12937, 20547, 24327, 38811, 40333, 116433, 120999, 349299, 362997, 685661, 1088991, 2056983, 6170949, 18512847]

約数ペア:

[(1, 18512847), (3, 6170949), (9, 2056983), (17, 1088991), (27, 685661), (51, 362997), (53, 349299), (153, 120999), (159, 116433), (459, 40333), (477, 38811), (761, 24327), (901, 20547), (1431, 12937), (2283, 8109), (2703, 6849)]