19644219

素因数分解:

$3^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{3947}}^1$

素因数の和:4039

約数の個数: 24

約数和(自身を含む): 32847360

約数和(自身を除く): 13203141

約数列:

[1, 3, 7, 9, 21, 63, 79, 237, 553, 711, 1659, 3947, 4977, 11841, 27629, 35523, 82887, 248661, 311813, 935439, 2182691, 2806317, 6548073, 19644219]

約数ペア:

[(1, 19644219), (3, 6548073), (7, 2806317), (9, 2182691), (21, 935439), (63, 311813), (79, 248661), (237, 82887), (553, 35523), (711, 27629), (1659, 11841), (3947, 4977)]