18728186

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{547}}^1$

素因数の和:638

約数の個数: 32

約数和(自身を含む): 31959360

約数和(自身を除く): 13231174

約数列:

[1, 2, 17, 19, 34, 38, 53, 106, 323, 547, 646, 901, 1007, 1094, 1802, 2014, 9299, 10393, 17119, 18598, 20786, 28991, 34238, 57982, 176681, 353362, 492847, 550829, 985694, 1101658, 9364093, 18728186]

約数ペア:

[(1, 18728186), (2, 9364093), (17, 1101658), (19, 985694), (34, 550829), (38, 492847), (53, 353362), (106, 176681), (323, 57982), (547, 34238), (646, 28991), (901, 20786), (1007, 18598), (1094, 17119), (1802, 10393), (2014, 9299)]