19436487

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{6959}}^1$

素因数の和:6995

約数の個数: 24

約数和(自身を含む): 31737600

約数和(自身を除く): 12301113

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 399, 931, 2793, 6959, 20877, 48713, 132221, 146139, 340991, 396663, 925547, 1022973, 2776641, 6478829, 19436487]

約数ペア:

[(1, 19436487), (3, 6478829), (7, 2776641), (19, 1022973), (21, 925547), (49, 396663), (57, 340991), (133, 146139), (147, 132221), (399, 48713), (931, 20877), (2793, 6959)]