19887994

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{83563}}^1$

素因数の和:83589

約数の個数: 16

約数和(自身を含む): 36099648

約数和(自身を除く): 16211654

約数列:

[1, 2, 7, 14, 17, 34, 119, 238, 83563, 167126, 584941, 1169882, 1420571, 2841142, 9943997, 19887994]

約数ペア:

[(1, 19887994), (2, 9943997), (7, 2841142), (14, 1420571), (17, 1169882), (34, 584941), (119, 167126), (238, 83563)]