19658608

素因数分解:

$2^4\times {\mathrm{73}}^1\times {\mathrm{16831}}^1$

素因数の和:16912

約数の個数: 20

約数和(自身を含む): 38612608

約数和(自身を除く): 18954000

約数列:

[1, 2, 4, 8, 16, 73, 146, 292, 584, 1168, 16831, 33662, 67324, 134648, 269296, 1228663, 2457326, 4914652, 9829304, 19658608]

約数ペア:

[(1, 19658608), (2, 9829304), (4, 4914652), (8, 2457326), (16, 1228663), (73, 269296), (146, 134648), (292, 67324), (584, 33662), (1168, 16831)]