18538208

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{44563}}^1$

素因数の和:44586

約数の個数: 24

約数和(自身を含む): 39305448

約数和(自身を除く): 20767240

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 416, 44563, 89126, 178252, 356504, 579319, 713008, 1158638, 1426016, 2317276, 4634552, 9269104, 18538208]

約数ペア:

[(1, 18538208), (2, 9269104), (4, 4634552), (8, 2317276), (13, 1426016), (16, 1158638), (26, 713008), (32, 579319), (52, 356504), (104, 178252), (208, 89126), (416, 44563)]