18129021

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{353}}^1$

素因数の和:445

約数の個数: 32

約数和(自身を含む): 27527040

約数和(自身を除く): 9398019

約数列:

[1, 3, 17, 19, 51, 53, 57, 159, 323, 353, 901, 969, 1007, 1059, 2703, 3021, 6001, 6707, 17119, 18003, 18709, 20121, 51357, 56127, 114019, 318053, 342057, 355471, 954159, 1066413, 6043007, 18129021]

約数ペア:

[(1, 18129021), (3, 6043007), (17, 1066413), (19, 954159), (51, 355471), (53, 342057), (57, 318053), (159, 114019), (323, 56127), (353, 51357), (901, 20121), (969, 18709), (1007, 18003), (1059, 17119), (2703, 6707), (3021, 6001)]