18388077

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1\times {\mathrm{659}}^1$

素因数の和:864

約数の個数: 16

約数和(自身を含む): 25090560

約数和(自身を除く): 6702483

約数列:

[1, 3, 71, 131, 213, 393, 659, 1977, 9301, 27903, 46789, 86329, 140367, 258987, 6129359, 18388077]

約数ペア:

[(1, 18388077), (3, 6129359), (71, 258987), (131, 140367), (213, 86329), (393, 46789), (659, 27903), (1977, 9301)]