19313973

素因数分解:

$3^2\times 7^1\times {\mathrm{281}}^1\times {\mathrm{1091}}^1$

素因数の和:1385

約数の個数: 24

約数和(自身を含む): 32026176

約数和(自身を除く): 12712203

約数列:

[1, 3, 7, 9, 21, 63, 281, 843, 1091, 1967, 2529, 3273, 5901, 7637, 9819, 17703, 22911, 68733, 306571, 919713, 2145997, 2759139, 6437991, 19313973]

約数ペア:

[(1, 19313973), (3, 6437991), (7, 2759139), (9, 2145997), (21, 919713), (63, 306571), (281, 68733), (843, 22911), (1091, 17703), (1967, 9819), (2529, 7637), (3273, 5901)]