19491430

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{307}}^1\times {\mathrm{907}}^1$

素因数の和:1228

約数の個数: 32

約数和(自身を含む): 40271616

約数和(自身を除く): 20780186

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 307, 614, 907, 1535, 1814, 2149, 3070, 4298, 4535, 6349, 9070, 10745, 12698, 21490, 31745, 63490, 278449, 556898, 1392245, 1949143, 2784490, 3898286, 9745715, 19491430]

約数ペア:

[(1, 19491430), (2, 9745715), (5, 3898286), (7, 2784490), (10, 1949143), (14, 1392245), (35, 556898), (70, 278449), (307, 63490), (614, 31745), (907, 21490), (1535, 12698), (1814, 10745), (2149, 9070), (3070, 6349), (4298, 4535)]