19338837

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{40039}}^1$

素因数の和:40072

約数の個数: 16

約数和(自身を含む): 30750720

約数和(自身を除く): 11411883

約数列:

[1, 3, 7, 21, 23, 69, 161, 483, 40039, 120117, 280273, 840819, 920897, 2762691, 6446279, 19338837]

約数ペア:

[(1, 19338837), (3, 6446279), (7, 2762691), (21, 920897), (23, 840819), (69, 280273), (161, 120117), (483, 40039)]