19663070

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{1093}}^1$

素因数の和:1364

約数の個数: 32

約数和(自身を含む): 40644288

約数和(自身を除く): 20981218

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 257, 514, 1093, 1285, 1799, 2186, 2570, 3598, 5465, 7651, 8995, 10930, 15302, 17990, 38255, 76510, 280901, 561802, 1404505, 1966307, 2809010, 3932614, 9831535, 19663070]

約数ペア:

[(1, 19663070), (2, 9831535), (5, 3932614), (7, 2809010), (10, 1966307), (14, 1404505), (35, 561802), (70, 280901), (257, 76510), (514, 38255), (1093, 17990), (1285, 15302), (1799, 10930), (2186, 8995), (2570, 7651), (3598, 5465)]