18939447

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{36919}}^1$

素因数の和:36947

約数の個数: 16

約数和(自身を含む): 29536000

約数和(自身を除く): 10596553

約数列:

[1, 3, 9, 19, 27, 57, 171, 513, 36919, 110757, 332271, 701461, 996813, 2104383, 6313149, 18939447]

約数ペア:

[(1, 18939447), (3, 6313149), (9, 2104383), (19, 996813), (27, 701461), (57, 332271), (171, 110757), (513, 36919)]