218323984

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{718171}}^1$

素因数の和:718198

約数の個数: 20

約数和(自身を含む): 445266640

約数和(自身を除く): 226942656

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 718171, 1436342, 2872684, 5745368, 11490736, 13645249, 27290498, 54580996, 109161992, 218323984]

約数ペア:

[(1, 218323984), (2, 109161992), (4, 54580996), (8, 27290498), (16, 13645249), (19, 11490736), (38, 5745368), (76, 2872684), (152, 1436342), (304, 718171)]