18730970

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{81439}}^1$

素因数の和:81469

約数の個数: 16

約数和(自身を含む): 35182080

約数和(自身を除く): 16451110

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 81439, 162878, 407195, 814390, 1873097, 3746194, 9365485, 18730970]

約数ペア:

[(1, 18730970), (2, 9365485), (5, 3746194), (10, 1873097), (23, 814390), (46, 407195), (115, 162878), (230, 81439)]