18725504

素因数分解:

$2^7\times 7^1\times {\mathrm{20899}}^1$

素因数の和:20920

約数の個数: 32

約数和(自身を含む): 42636000

約数和(自身を除く): 23910496

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 448, 896, 20899, 41798, 83596, 146293, 167192, 292586, 334384, 585172, 668768, 1170344, 1337536, 2340688, 2675072, 4681376, 9362752, 18725504]

約数ペア:

[(1, 18725504), (2, 9362752), (4, 4681376), (7, 2675072), (8, 2340688), (14, 1337536), (16, 1170344), (28, 668768), (32, 585172), (56, 334384), (64, 292586), (112, 167192), (128, 146293), (224, 83596), (448, 41798), (896, 20899)]