19436991

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^2\times {\mathrm{419}}^1$

素因数の和:523

約数の個数: 24

約数和(自身を含む): 30334080

約数和(自身を除く): 10897089

約数列:

[1, 3, 7, 21, 47, 141, 329, 419, 987, 1257, 2209, 2933, 6627, 8799, 15463, 19693, 46389, 59079, 137851, 413553, 925571, 2776713, 6478997, 19436991]

約数ペア:

[(1, 19436991), (3, 6478997), (7, 2776713), (21, 925571), (47, 413553), (141, 137851), (329, 59079), (419, 46389), (987, 19693), (1257, 15463), (2209, 8799), (2933, 6627)]