19740368

素因数分解:

$2^4\times {\mathrm{73}}^1\times {\mathrm{16901}}^1$

素因数の和:16982

約数の個数: 20

約数和(自身を含む): 38773188

約数和(自身を除く): 19032820

約数列:

[1, 2, 4, 8, 16, 73, 146, 292, 584, 1168, 16901, 33802, 67604, 135208, 270416, 1233773, 2467546, 4935092, 9870184, 19740368]

約数ペア:

[(1, 19740368), (2, 9870184), (4, 4935092), (8, 2467546), (16, 1233773), (73, 270416), (146, 135208), (292, 67604), (584, 33802), (1168, 16901)]