19243890

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{213821}}^1$

素因数の和:213834

約数の個数: 24

約数和(自身を含む): 50034348

約数和(自身を除く): 30790458

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 213821, 427642, 641463, 1069105, 1282926, 1924389, 2138210, 3207315, 3848778, 6414630, 9621945, 19243890]

約数ペア:

[(1, 19243890), (2, 9621945), (3, 6414630), (5, 3848778), (6, 3207315), (9, 2138210), (10, 1924389), (15, 1282926), (18, 1069105), (30, 641463), (45, 427642), (90, 213821)]