19287210

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{642907}}^1$

素因数の和:642917

約数の個数: 16

約数和(自身を含む): 46289376

約数和(自身を除く): 27002166

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 642907, 1285814, 1928721, 3214535, 3857442, 6429070, 9643605, 19287210]

約数ペア:

[(1, 19287210), (2, 9643605), (3, 6429070), (5, 3857442), (6, 3214535), (10, 1928721), (15, 1285814), (30, 642907)]