18864764

素因数分解:

$2^2\times {\mathrm{17}}^2\times {\mathrm{16319}}^1$

素因数の和:16357

約数の個数: 18

約数和(自身を含む): 35071680

約数和(自身を除く): 16206916

約数列:

[1, 2, 4, 17, 34, 68, 289, 578, 1156, 16319, 32638, 65276, 277423, 554846, 1109692, 4716191, 9432382, 18864764]

約数ペア:

[(1, 18864764), (2, 9432382), (4, 4716191), (17, 1109692), (34, 554846), (68, 277423), (289, 65276), (578, 32638), (1156, 16319)]