18719414

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{78653}}^1$

素因数の和:78679

約数の個数: 16

約数和(自身を含む): 33978528

約数和(自身を除く): 15259114

約数列:

[1, 2, 7, 14, 17, 34, 119, 238, 78653, 157306, 550571, 1101142, 1337101, 2674202, 9359707, 18719414]

約数ペア:

[(1, 18719414), (2, 9359707), (7, 2674202), (14, 1337101), (17, 1101142), (34, 550571), (119, 157306), (238, 78653)]