18040970

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{78439}}^1$

素因数の和:78469

約数の個数: 16

約数和(自身を含む): 33886080

約数和(自身を除く): 15845110

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 78439, 156878, 392195, 784390, 1804097, 3608194, 9020485, 18040970]

約数ペア:

[(1, 18040970), (2, 9020485), (5, 3608194), (10, 1804097), (23, 784390), (46, 392195), (115, 156878), (230, 78439)]