19693490

素因数分解:

$2^1\times 5^1\times {\mathrm{269}}^1\times {\mathrm{7321}}^1$

素因数の和:7597

約数の個数: 16

約数和(自身を含む): 35584920

約数和(自身を除く): 15891430

約数列:

[1, 2, 5, 10, 269, 538, 1345, 2690, 7321, 14642, 36605, 73210, 1969349, 3938698, 9846745, 19693490]

約数ペア:

[(1, 19693490), (2, 9846745), (5, 3938698), (10, 1969349), (269, 73210), (538, 36605), (1345, 14642), (2690, 7321)]