18869008

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{19333}}^1$

素因数の和:19402

約数の個数: 20

約数和(自身を含む): 37159948

約数和(自身を除く): 18290940

約数列:

[1, 2, 4, 8, 16, 61, 122, 244, 488, 976, 19333, 38666, 77332, 154664, 309328, 1179313, 2358626, 4717252, 9434504, 18869008]

約数ペア:

[(1, 18869008), (2, 9434504), (4, 4717252), (8, 2358626), (16, 1179313), (61, 309328), (122, 154664), (244, 77332), (488, 38666), (976, 19333)]