19745430

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{499}}^1\times {\mathrm{1319}}^1$

素因数の和:1828

約数の個数: 32

約数和(自身を含む): 47520000

約数和(自身を除く): 27774570

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 499, 998, 1319, 1497, 2495, 2638, 2994, 3957, 4990, 6595, 7485, 7914, 13190, 14970, 19785, 39570, 658181, 1316362, 1974543, 3290905, 3949086, 6581810, 9872715, 19745430]

約数ペア:

[(1, 19745430), (2, 9872715), (3, 6581810), (5, 3949086), (6, 3290905), (10, 1974543), (15, 1316362), (30, 658181), (499, 39570), (998, 19785), (1319, 14970), (1497, 13190), (2495, 7914), (2638, 7485), (2994, 6595), (3957, 4990)]