18892305

素因数分解:

$3^3\times 5^1\times {\mathrm{139943}}^1$

素因数の和:139957

約数の個数: 16

約数和(自身を含む): 33586560

約数和(自身を除く): 14694255

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 139943, 419829, 699715, 1259487, 2099145, 3778461, 6297435, 18892305]

約数ペア:

[(1, 18892305), (3, 6297435), (5, 3778461), (9, 2099145), (15, 1259487), (27, 699715), (45, 419829), (135, 139943)]