19878090

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{149}}^1\times {\mathrm{4447}}^1$

素因数の和:4606

約数の個数: 32

約数和(自身を含む): 48038400

約数和(自身を除く): 28160310

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 149, 298, 447, 745, 894, 1490, 2235, 4447, 4470, 8894, 13341, 22235, 26682, 44470, 66705, 133410, 662603, 1325206, 1987809, 3313015, 3975618, 6626030, 9939045, 19878090]

約数ペア:

[(1, 19878090), (2, 9939045), (3, 6626030), (5, 3975618), (6, 3313015), (10, 1987809), (15, 1325206), (30, 662603), (149, 133410), (298, 66705), (447, 44470), (745, 26682), (894, 22235), (1490, 13341), (2235, 8894), (4447, 4470)]